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Finding the Fourth Proportional to 482,568.69, 665,945.58 and 267,708.76

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Solution

The fourth proportional to 482,568.69, 665,945.58 and 267,708.76 is: 369,438.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,568.69 : 665,945.58 = 267,708.76 : x
  2. Step 2: Convert to fraction form
    482,568.69/665,945.58 = 267,708.76/x
  3. Step 3: Cross multiply
    482,568.69x = 665,945.58 × 267,708.76
  4. Step 4: Simplify right side
    482,568.69x = 178,279,465,449.28
  5. Step 5: Solve for x
    x = 178,279,465,449.28/482,568.69
  6. Step 6: Final answer
    x = 369,438.53

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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.