Home / 906,305.83-1,250,734.16-498,439.20

Finding the Fourth Proportional to 906,305.83, 1,250,734.16 and 498,439.20

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Solution

The fourth proportional to 906,305.83, 1,250,734.16 and 498,439.20 is: 687,863.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,305.83 : 1,250,734.16 = 498,439.20 : x
  2. Step 2: Convert to fraction form
    906,305.83/1,250,734.16 = 498,439.20/x
  3. Step 3: Cross multiply
    906,305.83x = 1,250,734.16 × 498,439.20
  4. Step 4: Simplify right side
    906,305.83x = 623,414,940,059.42
  5. Step 5: Solve for x
    x = 623,414,940,059.42/906,305.83
  6. Step 6: Final answer
    x = 687,863.77

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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.