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Finding the Fourth Proportional to 617,404.32, 924,654.96 and 300,869.28

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Solution

The fourth proportional to 617,404.32, 924,654.96 and 300,869.28 is: 450,596.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,404.32 : 924,654.96 = 300,869.28 : x
  2. Step 2: Convert to fraction form
    617,404.32/924,654.96 = 300,869.28/x
  3. Step 3: Cross multiply
    617,404.32x = 924,654.96 × 300,869.28
  4. Step 4: Simplify right side
    617,404.32x = 278,200,272,063.63
  5. Step 5: Solve for x
    x = 278,200,272,063.63/617,404.32
  6. Step 6: Final answer
    x = 450,596.58

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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.