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Finding the Fourth Proportional to 669,816.96, 924,343.56 and 363,890.88

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Solution

The fourth proportional to 669,816.96, 924,343.56 and 363,890.88 is: 502,167.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,816.96 : 924,343.56 = 363,890.88 : x
  2. Step 2: Convert to fraction form
    669,816.96/924,343.56 = 363,890.88/x
  3. Step 3: Cross multiply
    669,816.96x = 924,343.56 × 363,890.88
  4. Step 4: Simplify right side
    669,816.96x = 336,360,191,470.73
  5. Step 5: Solve for x
    x = 336,360,191,470.73/669,816.96
  6. Step 6: Final answer
    x = 502,167.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.