Home / 906,028.29-1,250,321.54-498,171.83

Finding the Fourth Proportional to 906,028.29, 1,250,321.54 and 498,171.83

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Solution

The fourth proportional to 906,028.29, 1,250,321.54 and 498,171.83 is: 687,478.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,028.29 : 1,250,321.54 = 498,171.83 : x
  2. Step 2: Convert to fraction form
    906,028.29/1,250,321.54 = 498,171.83/x
  3. Step 3: Cross multiply
    906,028.29x = 1,250,321.54 × 498,171.83
  4. Step 4: Simplify right side
    906,028.29x = 622,874,960,927.75
  5. Step 5: Solve for x
    x = 622,874,960,927.75/906,028.29
  6. Step 6: Final answer
    x = 687,478.49

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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.