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Finding the Fourth Proportional to 408,280.59, 563,458.74 and 244,943.22

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Solution

The fourth proportional to 408,280.59, 563,458.74 and 244,943.22 is: 338,040.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,280.59 : 563,458.74 = 244,943.22 : x
  2. Step 2: Convert to fraction form
    408,280.59/563,458.74 = 244,943.22/x
  3. Step 3: Cross multiply
    408,280.59x = 563,458.74 × 244,943.22
  4. Step 4: Simplify right side
    408,280.59x = 138,015,398,112.74
  5. Step 5: Solve for x
    x = 138,015,398,112.74/408,280.59
  6. Step 6: Final answer
    x = 338,040.56

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1.5x scale

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.