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Finding the Fourth Proportional to 576,522.20, 865,658.10 and 443,552.60

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Solution

The fourth proportional to 576,522.20, 865,658.10 and 443,552.60 is: 666,001.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,522.20 : 865,658.10 = 443,552.60 : x
  2. Step 2: Convert to fraction form
    576,522.20/865,658.10 = 443,552.60/x
  3. Step 3: Cross multiply
    576,522.20x = 865,658.10 × 443,552.60
  4. Step 4: Simplify right side
    576,522.20x = 383,964,900,966.06
  5. Step 5: Solve for x
    x = 383,964,900,966.06/576,522.20
  6. Step 6: Final answer
    x = 666,001.94

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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.