Home / 781,282.39-1,171,923.59-282,529.75

Finding the Fourth Proportional to 781,282.39, 1,171,923.59 and 282,529.75

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Solution

The fourth proportional to 781,282.39, 1,171,923.59 and 282,529.75 is: 423,794.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,282.39 : 1,171,923.59 = 282,529.75 : x
  2. Step 2: Convert to fraction form
    781,282.39/1,171,923.59 = 282,529.75/x
  3. Step 3: Cross multiply
    781,282.39x = 1,171,923.59 × 282,529.75
  4. Step 4: Simplify right side
    781,282.39x = 331,103,278,901.80
  5. Step 5: Solve for x
    x = 331,103,278,901.80/781,282.39
  6. Step 6: Final answer
    x = 423,794.63

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.