Home / 906,002.91-1,250,284.80-498,111.69

Finding the Fourth Proportional to 906,002.91, 1,250,284.80 and 498,111.69

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Solution

The fourth proportional to 906,002.91, 1,250,284.80 and 498,111.69 is: 687,394.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,002.91 : 1,250,284.80 = 498,111.69 : x
  2. Step 2: Convert to fraction form
    906,002.91/1,250,284.80 = 498,111.69/x
  3. Step 3: Cross multiply
    906,002.91x = 1,250,284.80 × 498,111.69
  4. Step 4: Simplify right side
    906,002.91x = 622,781,474,709.31
  5. Step 5: Solve for x
    x = 622,781,474,709.31/906,002.91
  6. Step 6: Final answer
    x = 687,394.56

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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.