Home / 906,171.60-1,250,548.88-498,304.36

Finding the Fourth Proportional to 906,171.60, 1,250,548.88 and 498,304.36

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Solution

The fourth proportional to 906,171.60, 1,250,548.88 and 498,304.36 is: 687,677.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,171.60 : 1,250,548.88 = 498,304.36 : x
  2. Step 2: Convert to fraction form
    906,171.60/1,250,548.88 = 498,304.36/x
  3. Step 3: Cross multiply
    906,171.60x = 1,250,548.88 × 498,304.36
  4. Step 4: Simplify right side
    906,171.60x = 623,153,959,297.12
  5. Step 5: Solve for x
    x = 623,153,959,297.12/906,171.60
  6. Step 6: Final answer
    x = 687,677.65

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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.