Home / 748,810.10-1,123,085.55-275,251.70

Finding the Fourth Proportional to 748,810.10, 1,123,085.55 and 275,251.70

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Solution

The fourth proportional to 748,810.10, 1,123,085.55 and 275,251.70 is: 412,829.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,810.10 : 1,123,085.55 = 275,251.70 : x
  2. Step 2: Convert to fraction form
    748,810.10/1,123,085.55 = 275,251.70/x
  3. Step 3: Cross multiply
    748,810.10x = 1,123,085.55 × 275,251.70
  4. Step 4: Simplify right side
    748,810.10x = 309,131,206,882.94
  5. Step 5: Solve for x
    x = 309,131,206,882.94/748,810.10
  6. Step 6: Final answer
    x = 412,829.91

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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.