Home / 527,613.34-727,825.61-320,944.92

Finding the Fourth Proportional to 527,613.34, 727,825.61 and 320,944.92

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Solution

The fourth proportional to 527,613.34, 727,825.61 and 320,944.92 is: 442,733.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,613.34 : 727,825.61 = 320,944.92 : x
  2. Step 2: Convert to fraction form
    527,613.34/727,825.61 = 320,944.92/x
  3. Step 3: Cross multiply
    527,613.34x = 727,825.61 × 320,944.92
  4. Step 4: Simplify right side
    527,613.34x = 233,591,930,248.42
  5. Step 5: Solve for x
    x = 233,591,930,248.42/527,613.34
  6. Step 6: Final answer
    x = 442,733.18

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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.