Home / 834,255.18-1,251,382.75-384,843.09

Finding the Fourth Proportional to 834,255.18, 1,251,382.75 and 384,843.09

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Solution

The fourth proportional to 834,255.18, 1,251,382.75 and 384,843.09 is: 577,264.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,255.18 : 1,251,382.75 = 384,843.09 : x
  2. Step 2: Convert to fraction form
    834,255.18/1,251,382.75 = 384,843.09/x
  3. Step 3: Cross multiply
    834,255.18x = 1,251,382.75 × 384,843.09
  4. Step 4: Simplify right side
    834,255.18x = 481,585,998,025.78
  5. Step 5: Solve for x
    x = 481,585,998,025.78/834,255.18
  6. Step 6: Final answer
    x = 577,264.62

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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.