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Finding the Fourth Proportional to 617,658.40, 924,932.40 and 406,151.20

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Solution

The fourth proportional to 617,658.40, 924,932.40 and 406,151.20 is: 608,204.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,658.40 : 924,932.40 = 406,151.20 : x
  2. Step 2: Convert to fraction form
    617,658.40/924,932.40 = 406,151.20/x
  3. Step 3: Cross multiply
    617,658.40x = 924,932.40 × 406,151.20
  4. Step 4: Simplify right side
    617,658.40x = 375,662,404,178.88
  5. Step 5: Solve for x
    x = 375,662,404,178.88/617,658.40
  6. Step 6: Final answer
    x = 608,204.15

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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.