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Finding the Fourth Proportional to 615,602.62, 924,805.17 and 445,349.47

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Solution

The fourth proportional to 615,602.62, 924,805.17 and 445,349.47 is: 669,037.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,602.62 : 924,805.17 = 445,349.47 : x
  2. Step 2: Convert to fraction form
    615,602.62/924,805.17 = 445,349.47/x
  3. Step 3: Cross multiply
    615,602.62x = 924,805.17 × 445,349.47
  4. Step 4: Simplify right side
    615,602.62x = 411,861,492,312.76
  5. Step 5: Solve for x
    x = 411,861,492,312.76/615,602.62
  6. Step 6: Final answer
    x = 669,037.91

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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.