Home / 661,534.52-913,431.85-508,331.21

Finding the Fourth Proportional to 661,534.52, 913,431.85 and 508,331.21

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Solution

The fourth proportional to 661,534.52, 913,431.85 and 508,331.21 is: 701,892.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,534.52 : 913,431.85 = 508,331.21 : x
  2. Step 2: Convert to fraction form
    661,534.52/913,431.85 = 508,331.21/x
  3. Step 3: Cross multiply
    661,534.52x = 913,431.85 × 508,331.21
  4. Step 4: Simplify right side
    661,534.52x = 464,325,918,575.79
  5. Step 5: Solve for x
    x = 464,325,918,575.79/661,534.52
  6. Step 6: Final answer
    x = 701,892.20

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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.