Home / 724,816.20-1,087,224.30-251,452.20

Finding the Fourth Proportional to 724,816.20, 1,087,224.30 and 251,452.20

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Solution

The fourth proportional to 724,816.20, 1,087,224.30 and 251,452.20 is: 377,178.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,816.20 : 1,087,224.30 = 251,452.20 : x
  2. Step 2: Convert to fraction form
    724,816.20/1,087,224.30 = 251,452.20/x
  3. Step 3: Cross multiply
    724,816.20x = 1,087,224.30 × 251,452.20
  4. Step 4: Simplify right side
    724,816.20x = 273,384,942,128.46
  5. Step 5: Solve for x
    x = 273,384,942,128.46/724,816.20
  6. Step 6: Final answer
    x = 377,178.30

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Half scale
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Double scale
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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.