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Finding the Fourth Proportional to 669,568.72, 924,017 and 363,645.04

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Solution

The fourth proportional to 669,568.72, 924,017 and 363,645.04 is: 501,836.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,568.72 : 924,017 = 363,645.04 : x
  2. Step 2: Convert to fraction form
    669,568.72/924,017 = 363,645.04/x
  3. Step 3: Cross multiply
    669,568.72x = 924,017 × 363,645.04
  4. Step 4: Simplify right side
    669,568.72x = 336,014,198,925.68
  5. Step 5: Solve for x
    x = 336,014,198,925.68/669,568.72
  6. Step 6: Final answer
    x = 501,836.76

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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.