Home / 749,244.40-1,123,866.60-275,831.80

Finding the Fourth Proportional to 749,244.40, 1,123,866.60 and 275,831.80

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Solution

The fourth proportional to 749,244.40, 1,123,866.60 and 275,831.80 is: 413,747.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,244.40 : 1,123,866.60 = 275,831.80 : x
  2. Step 2: Convert to fraction form
    749,244.40/1,123,866.60 = 275,831.80/x
  3. Step 3: Cross multiply
    749,244.40x = 1,123,866.60 × 275,831.80
  4. Step 4: Simplify right side
    749,244.40x = 309,998,147,237.88
  5. Step 5: Solve for x
    x = 309,998,147,237.88/749,244.40
  6. Step 6: Final answer
    x = 413,747.70

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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.