Home / 748,582.38-1,123,195.34-243,298.30

Finding the Fourth Proportional to 748,582.38, 1,123,195.34 and 243,298.30

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Solution

The fourth proportional to 748,582.38, 1,123,195.34 and 243,298.30 is: 365,052.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,582.38 : 1,123,195.34 = 243,298.30 : x
  2. Step 2: Convert to fraction form
    748,582.38/1,123,195.34 = 243,298.30/x
  3. Step 3: Cross multiply
    748,582.38x = 1,123,195.34 × 243,298.30
  4. Step 4: Simplify right side
    748,582.38x = 273,271,516,789.92
  5. Step 5: Solve for x
    x = 273,271,516,789.92/748,582.38
  6. Step 6: Final answer
    x = 365,052.03

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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.