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Finding the Fourth Proportional to 683,061.60, 1,024,641.60 and 262,337.47

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Solution

The fourth proportional to 683,061.60, 1,024,641.60 and 262,337.47 is: 393,525.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,061.60 : 1,024,641.60 = 262,337.47 : x
  2. Step 2: Convert to fraction form
    683,061.60/1,024,641.60 = 262,337.47/x
  3. Step 3: Cross multiply
    683,061.60x = 1,024,641.60 × 262,337.47
  4. Step 4: Simplify right side
    683,061.60x = 268,801,885,000.75
  5. Step 5: Solve for x
    x = 268,801,885,000.75/683,061.60
  6. Step 6: Final answer
    x = 393,525.10

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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.