Home / 724,772.72-1,087,120.68-226,079.60

Finding the Fourth Proportional to 724,772.72, 1,087,120.68 and 226,079.60

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Solution

The fourth proportional to 724,772.72, 1,087,120.68 and 226,079.60 is: 339,107.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,772.72 : 1,087,120.68 = 226,079.60 : x
  2. Step 2: Convert to fraction form
    724,772.72/1,087,120.68 = 226,079.60/x
  3. Step 3: Cross multiply
    724,772.72x = 1,087,120.68 × 226,079.60
  4. Step 4: Simplify right side
    724,772.72x = 245,775,808,486.13
  5. Step 5: Solve for x
    x = 245,775,808,486.13/724,772.72
  6. Step 6: Final answer
    x = 339,107.42

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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.