Home / 951,283.20-1,427,143.68-320,180.16

Finding the Fourth Proportional to 951,283.20, 1,427,143.68 and 320,180.16

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Solution

The fourth proportional to 951,283.20, 1,427,143.68 and 320,180.16 is: 480,343.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,283.20 : 1,427,143.68 = 320,180.16 : x
  2. Step 2: Convert to fraction form
    951,283.20/1,427,143.68 = 320,180.16/x
  3. Step 3: Cross multiply
    951,283.20x = 1,427,143.68 × 320,180.16
  4. Step 4: Simplify right side
    951,283.20x = 456,943,091,805.39
  5. Step 5: Solve for x
    x = 456,943,091,805.39/951,283.20
  6. Step 6: Final answer
    x = 480,343.91

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.