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Finding the Fourth Proportional to 658,001.70, 987,002.55 and 284,024.70

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Solution

The fourth proportional to 658,001.70, 987,002.55 and 284,024.70 is: 426,037.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,001.70 : 987,002.55 = 284,024.70 : x
  2. Step 2: Convert to fraction form
    658,001.70/987,002.55 = 284,024.70/x
  3. Step 3: Cross multiply
    658,001.70x = 987,002.55 × 284,024.70
  4. Step 4: Simplify right side
    658,001.70x = 280,333,103,162.99
  5. Step 5: Solve for x
    x = 280,333,103,162.99/658,001.70
  6. Step 6: Final answer
    x = 426,037.05

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.