Home / 889,180.12-1,333,773.60-215,260.35

Finding the Fourth Proportional to 889,180.12, 1,333,773.60 and 215,260.35

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Solution

The fourth proportional to 889,180.12, 1,333,773.60 and 215,260.35 is: 322,891.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,180.12 : 1,333,773.60 = 215,260.35 : x
  2. Step 2: Convert to fraction form
    889,180.12/1,333,773.60 = 215,260.35/x
  3. Step 3: Cross multiply
    889,180.12x = 1,333,773.60 × 215,260.35
  4. Step 4: Simplify right side
    889,180.12x = 287,108,569,537.04
  5. Step 5: Solve for x
    x = 287,108,569,537.04/889,180.12
  6. Step 6: Final answer
    x = 322,891.35

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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.