Home / 482,077.20-665,314.25-267,258.79

Finding the Fourth Proportional to 482,077.20, 665,314.25 and 267,258.79

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Solution

The fourth proportional to 482,077.20, 665,314.25 and 267,258.79 is: 368,843.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,077.20 : 665,314.25 = 267,258.79 : x
  2. Step 2: Convert to fraction form
    482,077.20/665,314.25 = 267,258.79/x
  3. Step 3: Cross multiply
    482,077.20x = 665,314.25 × 267,258.79
  4. Step 4: Simplify right side
    482,077.20x = 177,811,081,424.76
  5. Step 5: Solve for x
    x = 177,811,081,424.76/482,077.20
  6. Step 6: Final answer
    x = 368,843.58

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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.