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Finding the Fourth Proportional to 669,892.64, 924,503.28 and 383,502.56

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Solution

The fourth proportional to 669,892.64, 924,503.28 and 383,502.56 is: 529,262.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,892.64 : 924,503.28 = 383,502.56 : x
  2. Step 2: Convert to fraction form
    669,892.64/924,503.28 = 383,502.56/x
  3. Step 3: Cross multiply
    669,892.64x = 924,503.28 × 383,502.56
  4. Step 4: Simplify right side
    669,892.64x = 354,549,374,608.40
  5. Step 5: Solve for x
    x = 354,549,374,608.40/669,892.64
  6. Step 6: Final answer
    x = 529,262.98

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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.