Home / 726,120.25-1,088,995.39-514,872.45

Finding the Fourth Proportional to 726,120.25, 1,088,995.39 and 514,872.45

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Solution

The fourth proportional to 726,120.25, 1,088,995.39 and 514,872.45 is: 772,177.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,120.25 : 1,088,995.39 = 514,872.45 : x
  2. Step 2: Convert to fraction form
    726,120.25/1,088,995.39 = 514,872.45/x
  3. Step 3: Cross multiply
    726,120.25x = 1,088,995.39 × 514,872.45
  4. Step 4: Simplify right side
    726,120.25x = 560,693,723,200.82
  5. Step 5: Solve for x
    x = 560,693,723,200.82/726,120.25
  6. Step 6: Final answer
    x = 772,177.51

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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.