Home / 889,306.15-1,333,962.38-215,387.90

Finding the Fourth Proportional to 889,306.15, 1,333,962.38 and 215,387.90

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Solution

The fourth proportional to 889,306.15, 1,333,962.38 and 215,387.90 is: 323,082.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,306.15 : 1,333,962.38 = 215,387.90 : x
  2. Step 2: Convert to fraction form
    889,306.15/1,333,962.38 = 215,387.90/x
  3. Step 3: Cross multiply
    889,306.15x = 1,333,962.38 × 215,387.90
  4. Step 4: Simplify right side
    889,306.15x = 287,319,354,630.26
  5. Step 5: Solve for x
    x = 287,319,354,630.26/889,306.15
  6. Step 6: Final answer
    x = 323,082.61

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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.