Home / 720,776.27-1,081,150.74-215,338.70

Finding the Fourth Proportional to 720,776.27, 1,081,150.74 and 215,338.70

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Solution

The fourth proportional to 720,776.27, 1,081,150.74 and 215,338.70 is: 323,003.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,776.27 : 1,081,150.74 = 215,338.70 : x
  2. Step 2: Convert to fraction form
    720,776.27/1,081,150.74 = 215,338.70/x
  3. Step 3: Cross multiply
    720,776.27x = 1,081,150.74 × 215,338.70
  4. Step 4: Simplify right side
    720,776.27x = 232,813,597,558.52
  5. Step 5: Solve for x
    x = 232,813,597,558.52/720,776.27
  6. Step 6: Final answer
    x = 323,003.97

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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.