Home / 906,003.46-1,250,293.14-498,108.16

Finding the Fourth Proportional to 906,003.46, 1,250,293.14 and 498,108.16

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Solution

The fourth proportional to 906,003.46, 1,250,293.14 and 498,108.16 is: 687,393.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,003.46 : 1,250,293.14 = 498,108.16 : x
  2. Step 2: Convert to fraction form
    906,003.46/1,250,293.14 = 498,108.16/x
  3. Step 3: Cross multiply
    906,003.46x = 1,250,293.14 × 498,108.16
  4. Step 4: Simplify right side
    906,003.46x = 622,781,215,426.02
  5. Step 5: Solve for x
    x = 622,781,215,426.02/906,003.46
  6. Step 6: Final answer
    x = 687,393.86

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Double scale
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Similar ratio
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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.