Home / 986,502.30-1,479,753.45-276,650.70

Finding the Fourth Proportional to 986,502.30, 1,479,753.45 and 276,650.70

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Solution

The fourth proportional to 986,502.30, 1,479,753.45 and 276,650.70 is: 414,976.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,502.30 : 1,479,753.45 = 276,650.70 : x
  2. Step 2: Convert to fraction form
    986,502.30/1,479,753.45 = 276,650.70/x
  3. Step 3: Cross multiply
    986,502.30x = 1,479,753.45 × 276,650.70
  4. Step 4: Simplify right side
    986,502.30x = 409,374,827,769.92
  5. Step 5: Solve for x
    x = 409,374,827,769.92/986,502.30
  6. Step 6: Final answer
    x = 414,976.05

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.