Home / 572,198.97-789,387.88-345,713.25

Finding the Fourth Proportional to 572,198.97, 789,387.88 and 345,713.25

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Solution

The fourth proportional to 572,198.97, 789,387.88 and 345,713.25 is: 476,935.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,198.97 : 789,387.88 = 345,713.25 : x
  2. Step 2: Convert to fraction form
    572,198.97/789,387.88 = 345,713.25/x
  3. Step 3: Cross multiply
    572,198.97x = 789,387.88 × 345,713.25
  4. Step 4: Simplify right side
    572,198.97x = 272,901,849,505.41
  5. Step 5: Solve for x
    x = 272,901,849,505.41/572,198.97
  6. Step 6: Final answer
    x = 476,935.23

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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.