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Finding the Fourth Proportional to 888,614.74, 1,333,003.11 and 289,422.10

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Solution

The fourth proportional to 888,614.74, 1,333,003.11 and 289,422.10 is: 434,159.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,614.74 : 1,333,003.11 = 289,422.10 : x
  2. Step 2: Convert to fraction form
    888,614.74/1,333,003.11 = 289,422.10/x
  3. Step 3: Cross multiply
    888,614.74x = 1,333,003.11 × 289,422.10
  4. Step 4: Simplify right side
    888,614.74x = 385,800,559,402.73
  5. Step 5: Solve for x
    x = 385,800,559,402.73/888,614.74
  6. Step 6: Final answer
    x = 434,159.53

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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.