Home / 832,144.18-1,148,391.52-487,932.24

Finding the Fourth Proportional to 832,144.18, 1,148,391.52 and 487,932.24

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Solution

The fourth proportional to 832,144.18, 1,148,391.52 and 487,932.24 is: 673,365.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,144.18 : 1,148,391.52 = 487,932.24 : x
  2. Step 2: Convert to fraction form
    832,144.18/1,148,391.52 = 487,932.24/x
  3. Step 3: Cross multiply
    832,144.18x = 1,148,391.52 × 487,932.24
  4. Step 4: Simplify right side
    832,144.18x = 560,337,246,750.61
  5. Step 5: Solve for x
    x = 560,337,246,750.61/832,144.18
  6. Step 6: Final answer
    x = 673,365.58

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Double scale
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1.5x scale

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.