Home / 572,972.07-790,655.17-331,270.23

Finding the Fourth Proportional to 572,972.07, 790,655.17 and 331,270.23

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Solution

The fourth proportional to 572,972.07, 790,655.17 and 331,270.23 is: 457,126.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,972.07 : 790,655.17 = 331,270.23 : x
  2. Step 2: Convert to fraction form
    572,972.07/790,655.17 = 331,270.23/x
  3. Step 3: Cross multiply
    572,972.07x = 790,655.17 × 331,270.23
  4. Step 4: Simplify right side
    572,972.07x = 261,920,520,016.59
  5. Step 5: Solve for x
    x = 261,920,520,016.59/572,972.07
  6. Step 6: Final answer
    x = 457,126.16

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Double scale
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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.