Home / 906,132.76-1,250,431.20-498,231.75

Finding the Fourth Proportional to 906,132.76, 1,250,431.20 and 498,231.75

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Solution

The fourth proportional to 906,132.76, 1,250,431.20 and 498,231.75 is: 687,542.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,132.76 : 1,250,431.20 = 498,231.75 : x
  2. Step 2: Convert to fraction form
    906,132.76/1,250,431.20 = 498,231.75/x
  3. Step 3: Cross multiply
    906,132.76x = 1,250,431.20 × 498,231.75
  4. Step 4: Simplify right side
    906,132.76x = 623,004,522,679.26
  5. Step 5: Solve for x
    x = 623,004,522,679.26/906,132.76
  6. Step 6: Final answer
    x = 687,542.21

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Double scale
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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.