Home / 790,254.30-1,090,552.26-427,678.48

Finding the Fourth Proportional to 790,254.30, 1,090,552.26 and 427,678.48

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Solution

The fourth proportional to 790,254.30, 1,090,552.26 and 427,678.48 is: 590,197.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,254.30 : 1,090,552.26 = 427,678.48 : x
  2. Step 2: Convert to fraction form
    790,254.30/1,090,552.26 = 427,678.48/x
  3. Step 3: Cross multiply
    790,254.30x = 1,090,552.26 × 427,678.48
  4. Step 4: Simplify right side
    790,254.30x = 466,405,733,478.66
  5. Step 5: Solve for x
    x = 466,405,733,478.66/790,254.30
  6. Step 6: Final answer
    x = 590,197.02

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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.