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Finding the Fourth Proportional to 669,902.64, 924,411.88 and 383,357.04

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Solution

The fourth proportional to 669,902.64, 924,411.88 and 383,357.04 is: 529,001.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,902.64 : 924,411.88 = 383,357.04 : x
  2. Step 2: Convert to fraction form
    669,902.64/924,411.88 = 383,357.04/x
  3. Step 3: Cross multiply
    669,902.64x = 924,411.88 × 383,357.04
  4. Step 4: Simplify right side
    669,902.64x = 354,379,802,057.64
  5. Step 5: Solve for x
    x = 354,379,802,057.64/669,902.64
  6. Step 6: Final answer
    x = 529,001.95

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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.