Home / 774,665.38-1,068,872.37-452,229.13

Finding the Fourth Proportional to 774,665.38, 1,068,872.37 and 452,229.13

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Solution

The fourth proportional to 774,665.38, 1,068,872.37 and 452,229.13 is: 623,979.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,665.38 : 1,068,872.37 = 452,229.13 : x
  2. Step 2: Convert to fraction form
    774,665.38/1,068,872.37 = 452,229.13/x
  3. Step 3: Cross multiply
    774,665.38x = 1,068,872.37 × 452,229.13
  4. Step 4: Simplify right side
    774,665.38x = 483,375,221,966.14
  5. Step 5: Solve for x
    x = 483,375,221,966.14/774,665.38
  6. Step 6: Final answer
    x = 623,979.38

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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.