Home / 915,932.24-1,264,613.28-572,292.44

Finding the Fourth Proportional to 915,932.24, 1,264,613.28 and 572,292.44

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Solution

The fourth proportional to 915,932.24, 1,264,613.28 and 572,292.44 is: 790,155.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,932.24 : 1,264,613.28 = 572,292.44 : x
  2. Step 2: Convert to fraction form
    915,932.24/1,264,613.28 = 572,292.44/x
  3. Step 3: Cross multiply
    915,932.24x = 1,264,613.28 × 572,292.44
  4. Step 4: Simplify right side
    915,932.24x = 723,728,619,667.60
  5. Step 5: Solve for x
    x = 723,728,619,667.60/915,932.24
  6. Step 6: Final answer
    x = 790,155.20

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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.