Home / 906,319.24-1,250,691.92-498,419.82

Finding the Fourth Proportional to 906,319.24, 1,250,691.92 and 498,419.82

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Solution

The fourth proportional to 906,319.24, 1,250,691.92 and 498,419.82 is: 687,803.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,319.24 : 1,250,691.92 = 498,419.82 : x
  2. Step 2: Convert to fraction form
    906,319.24/1,250,691.92 = 498,419.82/x
  3. Step 3: Cross multiply
    906,319.24x = 1,250,691.92 × 498,419.82
  4. Step 4: Simplify right side
    906,319.24x = 623,369,641,018.83
  5. Step 5: Solve for x
    x = 623,369,641,018.83/906,319.24
  6. Step 6: Final answer
    x = 687,803.61

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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.