Home / 749,022.40-1,123,533.60-275,609.80

Finding the Fourth Proportional to 749,022.40, 1,123,533.60 and 275,609.80

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Solution

The fourth proportional to 749,022.40, 1,123,533.60 and 275,609.80 is: 413,414.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,022.40 : 1,123,533.60 = 275,609.80 : x
  2. Step 2: Convert to fraction form
    749,022.40/1,123,533.60 = 275,609.80/x
  3. Step 3: Cross multiply
    749,022.40x = 1,123,533.60 × 275,609.80
  4. Step 4: Simplify right side
    749,022.40x = 309,656,870,789.28
  5. Step 5: Solve for x
    x = 309,656,870,789.28/749,022.40
  6. Step 6: Final answer
    x = 413,414.70

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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.