Home / 748,082.80-1,122,124.20-274,706.65

Finding the Fourth Proportional to 748,082.80, 1,122,124.20 and 274,706.65

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Solution

The fourth proportional to 748,082.80, 1,122,124.20 and 274,706.65 is: 412,059.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,082.80 : 1,122,124.20 = 274,706.65 : x
  2. Step 2: Convert to fraction form
    748,082.80/1,122,124.20 = 274,706.65/x
  3. Step 3: Cross multiply
    748,082.80x = 1,122,124.20 × 274,706.65
  4. Step 4: Simplify right side
    748,082.80x = 308,254,979,865.93
  5. Step 5: Solve for x
    x = 308,254,979,865.93/748,082.80
  6. Step 6: Final answer
    x = 412,059.98

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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.