Home / 906,037.06-1,250,339.69-498,141.72

Finding the Fourth Proportional to 906,037.06, 1,250,339.69 and 498,141.72

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Solution

The fourth proportional to 906,037.06, 1,250,339.69 and 498,141.72 is: 687,440.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,037.06 : 1,250,339.69 = 498,141.72 : x
  2. Step 2: Convert to fraction form
    906,037.06/1,250,339.69 = 498,141.72/x
  3. Step 3: Cross multiply
    906,037.06x = 1,250,339.69 × 498,141.72
  4. Step 4: Simplify right side
    906,037.06x = 622,846,363,760.87
  5. Step 5: Solve for x
    x = 622,846,363,760.87/906,037.06
  6. Step 6: Final answer
    x = 687,440.27

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Half scale
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Double scale
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Similar ratio
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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.