Home / 747,010.80-1,120,516.20-327,106.80

Finding the Fourth Proportional to 747,010.80, 1,120,516.20 and 327,106.80

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Solution

The fourth proportional to 747,010.80, 1,120,516.20 and 327,106.80 is: 490,660.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,010.80 : 1,120,516.20 = 327,106.80 : x
  2. Step 2: Convert to fraction form
    747,010.80/1,120,516.20 = 327,106.80/x
  3. Step 3: Cross multiply
    747,010.80x = 1,120,516.20 × 327,106.80
  4. Step 4: Simplify right side
    747,010.80x = 366,528,468,530.16
  5. Step 5: Solve for x
    x = 366,528,468,530.16/747,010.80
  6. Step 6: Final answer
    x = 490,660.20

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Half scale
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Double scale
Find fourth proportional to 747,011.80, 1,120,517.70 and 327,107.80
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.