Home / 889,788.85-1,334,910.78-258,702.66

Finding the Fourth Proportional to 889,788.85, 1,334,910.78 and 258,702.66

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Solution

The fourth proportional to 889,788.85, 1,334,910.78 and 258,702.66 is: 388,120.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,788.85 : 1,334,910.78 = 258,702.66 : x
  2. Step 2: Convert to fraction form
    889,788.85/1,334,910.78 = 258,702.66/x
  3. Step 3: Cross multiply
    889,788.85x = 1,334,910.78 × 258,702.66
  4. Step 4: Simplify right side
    889,788.85x = 345,344,969,648.68
  5. Step 5: Solve for x
    x = 345,344,969,648.68/889,788.85
  6. Step 6: Final answer
    x = 388,120.14

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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.