Home / 827,520.71-1,241,279.24-220,309.20

Finding the Fourth Proportional to 827,520.71, 1,241,279.24 and 220,309.20

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Solution

The fourth proportional to 827,520.71, 1,241,279.24 and 220,309.20 is: 330,463.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,520.71 : 1,241,279.24 = 220,309.20 : x
  2. Step 2: Convert to fraction form
    827,520.71/1,241,279.24 = 220,309.20/x
  3. Step 3: Cross multiply
    827,520.71x = 1,241,279.24 × 220,309.20
  4. Step 4: Simplify right side
    827,520.71x = 273,465,235,239.46
  5. Step 5: Solve for x
    x = 273,465,235,239.46/827,520.71
  6. Step 6: Final answer
    x = 330,463.31

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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.