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Finding the Fourth Proportional to 888,004.80, 1,330,476.30 and 413,717.40

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Solution

The fourth proportional to 888,004.80, 1,330,476.30 and 413,717.40 is: 619,862.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,004.80 : 1,330,476.30 = 413,717.40 : x
  2. Step 2: Convert to fraction form
    888,004.80/1,330,476.30 = 413,717.40/x
  3. Step 3: Cross multiply
    888,004.80x = 1,330,476.30 × 413,717.40
  4. Step 4: Simplify right side
    888,004.80x = 550,441,195,597.62
  5. Step 5: Solve for x
    x = 550,441,195,597.62/888,004.80
  6. Step 6: Final answer
    x = 619,862.86

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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.