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Finding the Fourth Proportional to 482,570.13, 665,947.57 and 267,710.20

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Solution

The fourth proportional to 482,570.13, 665,947.57 and 267,710.20 is: 369,440.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,570.13 : 665,947.57 = 267,710.20 : x
  2. Step 2: Convert to fraction form
    482,570.13/665,947.57 = 267,710.20/x
  3. Step 3: Cross multiply
    482,570.13x = 665,947.57 × 267,710.20
  4. Step 4: Simplify right side
    482,570.13x = 178,280,954,820.07
  5. Step 5: Solve for x
    x = 178,280,954,820.07/482,570.13
  6. Step 6: Final answer
    x = 369,440.51

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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.