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Finding the Fourth Proportional to 615,603.62, 924,806.67 and 445,350.47

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Solution

The fourth proportional to 615,603.62, 924,806.67 and 445,350.47 is: 669,039.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,603.62 : 924,806.67 = 445,350.47 : x
  2. Step 2: Convert to fraction form
    615,603.62/924,806.67 = 445,350.47/x
  3. Step 3: Cross multiply
    615,603.62x = 924,806.67 × 445,350.47
  4. Step 4: Simplify right side
    615,603.62x = 411,863,085,143.64
  5. Step 5: Solve for x
    x = 411,863,085,143.64/615,603.62
  6. Step 6: Final answer
    x = 669,039.41

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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.