Home / 838,226.43-1,257,527.12-305,747.46

Finding the Fourth Proportional to 838,226.43, 1,257,527.12 and 305,747.46

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Solution

The fourth proportional to 838,226.43, 1,257,527.12 and 305,747.46 is: 458,689.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,226.43 : 1,257,527.12 = 305,747.46 : x
  2. Step 2: Convert to fraction form
    838,226.43/1,257,527.12 = 305,747.46/x
  3. Step 3: Cross multiply
    838,226.43x = 1,257,527.12 × 305,747.46
  4. Step 4: Simplify right side
    838,226.43x = 384,485,722,821.12
  5. Step 5: Solve for x
    x = 384,485,722,821.12/838,226.43
  6. Step 6: Final answer
    x = 458,689.57

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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.