Home / 709,912.97-1,065,180.49-372,875.61

Finding the Fourth Proportional to 709,912.97, 1,065,180.49 and 372,875.61

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Solution

The fourth proportional to 709,912.97, 1,065,180.49 and 372,875.61 is: 559,476.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,912.97 : 1,065,180.49 = 372,875.61 : x
  2. Step 2: Convert to fraction form
    709,912.97/1,065,180.49 = 372,875.61/x
  3. Step 3: Cross multiply
    709,912.97x = 1,065,180.49 × 372,875.61
  4. Step 4: Simplify right side
    709,912.97x = 397,179,824,036.66
  5. Step 5: Solve for x
    x = 397,179,824,036.66/709,912.97
  6. Step 6: Final answer
    x = 559,476.79

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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.