Home / 927,382.26-1,391,158.48-287,690.92

Finding the Fourth Proportional to 927,382.26, 1,391,158.48 and 287,690.92

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Solution

The fourth proportional to 927,382.26, 1,391,158.48 and 287,690.92 is: 431,562.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,382.26 : 1,391,158.48 = 287,690.92 : x
  2. Step 2: Convert to fraction form
    927,382.26/1,391,158.48 = 287,690.92/x
  3. Step 3: Cross multiply
    927,382.26x = 1,391,158.48 × 287,690.92
  4. Step 4: Simplify right side
    927,382.26x = 400,223,662,977.00
  5. Step 5: Solve for x
    x = 400,223,662,977.00/927,382.26
  6. Step 6: Final answer
    x = 431,562.78

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Double scale
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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.