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Finding the Fourth Proportional to 515,022.16, 710,753.24 and 285,564.84

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Solution

The fourth proportional to 515,022.16, 710,753.24 and 285,564.84 is: 394,092.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,022.16 : 710,753.24 = 285,564.84 : x
  2. Step 2: Convert to fraction form
    515,022.16/710,753.24 = 285,564.84/x
  3. Step 3: Cross multiply
    515,022.16x = 710,753.24 × 285,564.84
  4. Step 4: Simplify right side
    515,022.16x = 202,966,135,260.08
  5. Step 5: Solve for x
    x = 202,966,135,260.08/515,022.16
  6. Step 6: Final answer
    x = 394,092.04

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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.