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Finding the Fourth Proportional to 888,754.32, 1,333,131.48 and 489,189.42

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Solution

The fourth proportional to 888,754.32, 1,333,131.48 and 489,189.42 is: 733,784.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,754.32 : 1,333,131.48 = 489,189.42 : x
  2. Step 2: Convert to fraction form
    888,754.32/1,333,131.48 = 489,189.42/x
  3. Step 3: Cross multiply
    888,754.32x = 1,333,131.48 × 489,189.42
  4. Step 4: Simplify right side
    888,754.32x = 652,153,815,484.94
  5. Step 5: Solve for x
    x = 652,153,815,484.94/888,754.32
  6. Step 6: Final answer
    x = 733,784.13

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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.