Home / 790,573.76-1,090,990.44-427,997.48

Finding the Fourth Proportional to 790,573.76, 1,090,990.44 and 427,997.48

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Solution

The fourth proportional to 790,573.76, 1,090,990.44 and 427,997.48 is: 590,635.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,573.76 : 1,090,990.44 = 427,997.48 : x
  2. Step 2: Convert to fraction form
    790,573.76/1,090,990.44 = 427,997.48/x
  3. Step 3: Cross multiply
    790,573.76x = 1,090,990.44 × 427,997.48
  4. Step 4: Simplify right side
    790,573.76x = 466,941,159,024.09
  5. Step 5: Solve for x
    x = 466,941,159,024.09/790,573.76
  6. Step 6: Final answer
    x = 590,635.79

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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.