Home / 906,129.27-1,250,463.06-498,257.42

Finding the Fourth Proportional to 906,129.27, 1,250,463.06 and 498,257.42

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Solution

The fourth proportional to 906,129.27, 1,250,463.06 and 498,257.42 is: 687,597.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,129.27 : 1,250,463.06 = 498,257.42 : x
  2. Step 2: Convert to fraction form
    906,129.27/1,250,463.06 = 498,257.42/x
  3. Step 3: Cross multiply
    906,129.27x = 1,250,463.06 × 498,257.42
  4. Step 4: Simplify right side
    906,129.27x = 623,052,491,828.59
  5. Step 5: Solve for x
    x = 623,052,491,828.59/906,129.27
  6. Step 6: Final answer
    x = 687,597.80

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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.