Home / 843,158.10-1,265,235.42-311,052.90

Finding the Fourth Proportional to 843,158.10, 1,265,235.42 and 311,052.90

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Solution

The fourth proportional to 843,158.10, 1,265,235.42 and 311,052.90 is: 466,763.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,158.10 : 1,265,235.42 = 311,052.90 : x
  2. Step 2: Convert to fraction form
    843,158.10/1,265,235.42 = 311,052.90/x
  3. Step 3: Cross multiply
    843,158.10x = 1,265,235.42 × 311,052.90
  4. Step 4: Simplify right side
    843,158.10x = 393,555,146,573.72
  5. Step 5: Solve for x
    x = 393,555,146,573.72/843,158.10
  6. Step 6: Final answer
    x = 466,763.17

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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.