Home / 906,003.87-1,250,286.14-498,112.65

Finding the Fourth Proportional to 906,003.87, 1,250,286.14 and 498,112.65

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Solution

The fourth proportional to 906,003.87, 1,250,286.14 and 498,112.65 is: 687,395.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,003.87 : 1,250,286.14 = 498,112.65 : x
  2. Step 2: Convert to fraction form
    906,003.87/1,250,286.14 = 498,112.65/x
  3. Step 3: Cross multiply
    906,003.87x = 1,250,286.14 × 498,112.65
  4. Step 4: Simplify right side
    906,003.87x = 622,783,339,963.11
  5. Step 5: Solve for x
    x = 622,783,339,963.11/906,003.87
  6. Step 6: Final answer
    x = 687,395.89

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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.