Home / 906,775.59-1,251,350.38-498,868.71

Finding the Fourth Proportional to 906,775.59, 1,251,350.38 and 498,868.71

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Solution

The fourth proportional to 906,775.59, 1,251,350.38 and 498,868.71 is: 688,438.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,775.59 : 1,251,350.38 = 498,868.71 : x
  2. Step 2: Convert to fraction form
    906,775.59/1,251,350.38 = 498,868.71/x
  3. Step 3: Cross multiply
    906,775.59x = 1,251,350.38 × 498,868.71
  4. Step 4: Simplify right side
    906,775.59x = 624,259,549,828.61
  5. Step 5: Solve for x
    x = 624,259,549,828.61/906,775.59
  6. Step 6: Final answer
    x = 688,438.86

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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.