Home / 445,864.50-614,824.02-343,906.56

Finding the Fourth Proportional to 445,864.50, 614,824.02 and 343,906.56

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Solution

The fourth proportional to 445,864.50, 614,824.02 and 343,906.56 is: 474,229.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,864.50 : 614,824.02 = 343,906.56 : x
  2. Step 2: Convert to fraction form
    445,864.50/614,824.02 = 343,906.56/x
  3. Step 3: Cross multiply
    445,864.50x = 614,824.02 × 343,906.56
  4. Step 4: Simplify right side
    445,864.50x = 211,442,013,723.57
  5. Step 5: Solve for x
    x = 211,442,013,723.57/445,864.50
  6. Step 6: Final answer
    x = 474,229.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.