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Finding the Fourth Proportional to 715,553.73, 986,423.67 and 500,024.88

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Solution

The fourth proportional to 715,553.73, 986,423.67 and 500,024.88 is: 689,307.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,553.73 : 986,423.67 = 500,024.88 : x
  2. Step 2: Convert to fraction form
    715,553.73/986,423.67 = 500,024.88/x
  3. Step 3: Cross multiply
    715,553.73x = 986,423.67 × 500,024.88
  4. Step 4: Simplify right side
    715,553.73x = 493,236,377,220.91
  5. Step 5: Solve for x
    x = 493,236,377,220.91/715,553.73
  6. Step 6: Final answer
    x = 689,307.25

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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.