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Finding the Fourth Proportional to 669,904.64, 924,414.64 and 383,359.04

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Solution

The fourth proportional to 669,904.64, 924,414.64 and 383,359.04 is: 529,004.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,904.64 : 924,414.64 = 383,359.04 : x
  2. Step 2: Convert to fraction form
    669,904.64/924,414.64 = 383,359.04/x
  3. Step 3: Cross multiply
    669,904.64x = 924,414.64 × 383,359.04
  4. Step 4: Simplify right side
    669,904.64x = 354,382,708,952.35
  5. Step 5: Solve for x
    x = 354,382,708,952.35/669,904.64
  6. Step 6: Final answer
    x = 529,004.71

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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.