Home / 748,566.45-1,123,171.34-243,282.30

Finding the Fourth Proportional to 748,566.45, 1,123,171.34 and 243,282.30

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Solution

The fourth proportional to 748,566.45, 1,123,171.34 and 243,282.30 is: 365,027.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,566.45 : 1,123,171.34 = 243,282.30 : x
  2. Step 2: Convert to fraction form
    748,566.45/1,123,171.34 = 243,282.30/x
  3. Step 3: Cross multiply
    748,566.45x = 1,123,171.34 × 243,282.30
  4. Step 4: Simplify right side
    748,566.45x = 273,247,705,672.87
  5. Step 5: Solve for x
    x = 273,247,705,672.87/748,566.45
  6. Step 6: Final answer
    x = 365,027.99

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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.