Home / 906,135.27-1,250,434.65-498,234.25

Finding the Fourth Proportional to 906,135.27, 1,250,434.65 and 498,234.25

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Solution

The fourth proportional to 906,135.27, 1,250,434.65 and 498,234.25 is: 687,545.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,135.27 : 1,250,434.65 = 498,234.25 : x
  2. Step 2: Convert to fraction form
    906,135.27/1,250,434.65 = 498,234.25/x
  3. Step 3: Cross multiply
    906,135.27x = 1,250,434.65 × 498,234.25
  4. Step 4: Simplify right side
    906,135.27x = 623,009,370,016.76
  5. Step 5: Solve for x
    x = 623,009,370,016.76/906,135.27
  6. Step 6: Final answer
    x = 687,545.66

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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.