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Finding the Fourth Proportional to 888,605.27, 1,332,771.02 and 289,564.91

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Solution

The fourth proportional to 888,605.27, 1,332,771.02 and 289,564.91 is: 434,302.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,605.27 : 1,332,771.02 = 289,564.91 : x
  2. Step 2: Convert to fraction form
    888,605.27/1,332,771.02 = 289,564.91/x
  3. Step 3: Cross multiply
    888,605.27x = 1,332,771.02 × 289,564.91
  4. Step 4: Simplify right side
    888,605.27x = 385,923,719,009.08
  5. Step 5: Solve for x
    x = 385,923,719,009.08/888,605.27
  6. Step 6: Final answer
    x = 434,302.76

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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.