Home / 749,186.92-1,123,255.14-275,810.68

Finding the Fourth Proportional to 749,186.92, 1,123,255.14 and 275,810.68

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Solution

The fourth proportional to 749,186.92, 1,123,255.14 and 275,810.68 is: 413,522.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,186.92 : 1,123,255.14 = 275,810.68 : x
  2. Step 2: Convert to fraction form
    749,186.92/1,123,255.14 = 275,810.68/x
  3. Step 3: Cross multiply
    749,186.92x = 1,123,255.14 × 275,810.68
  4. Step 4: Simplify right side
    749,186.92x = 309,805,763,976.90
  5. Step 5: Solve for x
    x = 309,805,763,976.90/749,186.92
  6. Step 6: Final answer
    x = 413,522.65

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Double scale
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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.