Home / 843,154.12-1,265,229.42-311,048.92

Finding the Fourth Proportional to 843,154.12, 1,265,229.42 and 311,048.92

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Solution

The fourth proportional to 843,154.12, 1,265,229.42 and 311,048.92 is: 466,757.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,154.12 : 1,265,229.42 = 311,048.92 : x
  2. Step 2: Convert to fraction form
    843,154.12/1,265,229.42 = 311,048.92/x
  3. Step 3: Cross multiply
    843,154.12x = 1,265,229.42 × 311,048.92
  4. Step 4: Simplify right side
    843,154.12x = 393,548,244,643.23
  5. Step 5: Solve for x
    x = 393,548,244,643.23/843,154.12
  6. Step 6: Final answer
    x = 466,757.19

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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.