Home / 862,540.75-1,292,152.91-482,308.24

Finding the Fourth Proportional to 862,540.75, 1,292,152.91 and 482,308.24

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Solution

The fourth proportional to 862,540.75, 1,292,152.91 and 482,308.24 is: 722,535.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,540.75 : 1,292,152.91 = 482,308.24 : x
  2. Step 2: Convert to fraction form
    862,540.75/1,292,152.91 = 482,308.24/x
  3. Step 3: Cross multiply
    862,540.75x = 1,292,152.91 × 482,308.24
  4. Step 4: Simplify right side
    862,540.75x = 623,215,992,613.84
  5. Step 5: Solve for x
    x = 623,215,992,613.84/862,540.75
  6. Step 6: Final answer
    x = 722,535.13

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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.