Home / 695,443.59-1,043,165.39-379,728.27

Finding the Fourth Proportional to 695,443.59, 1,043,165.39 and 379,728.27

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Solution

The fourth proportional to 695,443.59, 1,043,165.39 and 379,728.27 is: 569,592.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,443.59 : 1,043,165.39 = 379,728.27 : x
  2. Step 2: Convert to fraction form
    695,443.59/1,043,165.39 = 379,728.27/x
  3. Step 3: Cross multiply
    695,443.59x = 1,043,165.39 × 379,728.27
  4. Step 4: Simplify right side
    695,443.59x = 396,119,386,969.93
  5. Step 5: Solve for x
    x = 396,119,386,969.93/695,443.59
  6. Step 6: Final answer
    x = 569,592.41

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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.