Home / 498,578.34-747,868.74-199,083.30

Finding the Fourth Proportional to 498,578.34, 747,868.74 and 199,083.30

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Solution

The fourth proportional to 498,578.34, 747,868.74 and 199,083.30 is: 298,625.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,578.34 : 747,868.74 = 199,083.30 : x
  2. Step 2: Convert to fraction form
    498,578.34/747,868.74 = 199,083.30/x
  3. Step 3: Cross multiply
    498,578.34x = 747,868.74 × 199,083.30
  4. Step 4: Simplify right side
    498,578.34x = 148,888,176,726.04
  5. Step 5: Solve for x
    x = 148,888,176,726.04/498,578.34
  6. Step 6: Final answer
    x = 298,625.44

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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.