Home / 906,036.06-1,250,338.31-498,140.72

Finding the Fourth Proportional to 906,036.06, 1,250,338.31 and 498,140.72

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Solution

The fourth proportional to 906,036.06, 1,250,338.31 and 498,140.72 is: 687,438.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,036.06 : 1,250,338.31 = 498,140.72 : x
  2. Step 2: Convert to fraction form
    906,036.06/1,250,338.31 = 498,140.72/x
  3. Step 3: Cross multiply
    906,036.06x = 1,250,338.31 × 498,140.72
  4. Step 4: Simplify right side
    906,036.06x = 622,844,417,244.59
  5. Step 5: Solve for x
    x = 622,844,417,244.59/906,036.06
  6. Step 6: Final answer
    x = 687,438.88

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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.