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Finding the Fourth Proportional to 668,458.08, 1,003,542 and 574,290.72

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Solution

The fourth proportional to 668,458.08, 1,003,542 and 574,290.72 is: 862,170.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,458.08 : 1,003,542 = 574,290.72 : x
  2. Step 2: Convert to fraction form
    668,458.08/1,003,542 = 574,290.72/x
  3. Step 3: Cross multiply
    668,458.08x = 1,003,542 × 574,290.72
  4. Step 4: Simplify right side
    668,458.08x = 576,324,857,730.24
  5. Step 5: Solve for x
    x = 576,324,857,730.24/668,458.08
  6. Step 6: Final answer
    x = 862,170.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.