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Finding the Fourth Proportional to 616,331.10, 850,520.58 and 344,401.24

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Solution

The fourth proportional to 616,331.10, 850,520.58 and 344,401.24 is: 475,264.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,331.10 : 850,520.58 = 344,401.24 : x
  2. Step 2: Convert to fraction form
    616,331.10/850,520.58 = 344,401.24/x
  3. Step 3: Cross multiply
    616,331.10x = 850,520.58 × 344,401.24
  4. Step 4: Simplify right side
    616,331.10x = 292,920,342,397.52
  5. Step 5: Solve for x
    x = 292,920,342,397.52/616,331.10
  6. Step 6: Final answer
    x = 475,264.58

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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.