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Finding the Fourth Proportional to 615,599.63, 924,800.68 and 445,346.47

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Solution

The fourth proportional to 615,599.63, 924,800.68 and 445,346.47 is: 669,033.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,599.63 : 924,800.68 = 445,346.47 : x
  2. Step 2: Convert to fraction form
    615,599.63/924,800.68 = 445,346.47/x
  3. Step 3: Cross multiply
    615,599.63x = 924,800.68 × 445,346.47
  4. Step 4: Simplify right side
    615,599.63x = 411,856,718,291.60
  5. Step 5: Solve for x
    x = 411,856,718,291.60/615,599.63
  6. Step 6: Final answer
    x = 669,033.41

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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.