Home / 457,766.14-631,724.85-253,825.66

Finding the Fourth Proportional to 457,766.14, 631,724.85 and 253,825.66

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Solution

The fourth proportional to 457,766.14, 631,724.85 and 253,825.66 is: 350,283.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,766.14 : 631,724.85 = 253,825.66 : x
  2. Step 2: Convert to fraction form
    457,766.14/631,724.85 = 253,825.66/x
  3. Step 3: Cross multiply
    457,766.14x = 631,724.85 × 253,825.66
  4. Step 4: Simplify right side
    457,766.14x = 160,347,976,989.65
  5. Step 5: Solve for x
    x = 160,347,976,989.65/457,766.14
  6. Step 6: Final answer
    x = 350,283.61

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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.