Home / 880,062.39-1,320,082.43-281,015.96

Finding the Fourth Proportional to 880,062.39, 1,320,082.43 and 281,015.96

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Solution

The fourth proportional to 880,062.39, 1,320,082.43 and 281,015.96 is: 421,520.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,062.39 : 1,320,082.43 = 281,015.96 : x
  2. Step 2: Convert to fraction form
    880,062.39/1,320,082.43 = 281,015.96/x
  3. Step 3: Cross multiply
    880,062.39x = 1,320,082.43 × 281,015.96
  4. Step 4: Simplify right side
    880,062.39x = 370,964,223,340.09
  5. Step 5: Solve for x
    x = 370,964,223,340.09/880,062.39
  6. Step 6: Final answer
    x = 421,520.37

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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.