Home / 790,092.77-1,090,342.08-445,997.48

Finding the Fourth Proportional to 790,092.77, 1,090,342.08 and 445,997.48

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Solution

The fourth proportional to 790,092.77, 1,090,342.08 and 445,997.48 is: 615,484.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,092.77 : 1,090,342.08 = 445,997.48 : x
  2. Step 2: Convert to fraction form
    790,092.77/1,090,342.08 = 445,997.48/x
  3. Step 3: Cross multiply
    790,092.77x = 1,090,342.08 × 445,997.48
  4. Step 4: Simplify right side
    790,092.77x = 486,289,814,566.25
  5. Step 5: Solve for x
    x = 486,289,814,566.25/790,092.77
  6. Step 6: Final answer
    x = 615,484.45

Related Problems

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Half scale
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Double scale
Find fourth proportional to 790,093.77, 1,090,343.46 and 445,998.48
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.