Home / 888,292.11-1,332,139.80-289,112.35

Finding the Fourth Proportional to 888,292.11, 1,332,139.80 and 289,112.35

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Solution

The fourth proportional to 888,292.11, 1,332,139.80 and 289,112.35 is: 433,571.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,292.11 : 1,332,139.80 = 289,112.35 : x
  2. Step 2: Convert to fraction form
    888,292.11/1,332,139.80 = 289,112.35/x
  3. Step 3: Cross multiply
    888,292.11x = 1,332,139.80 × 289,112.35
  4. Step 4: Simplify right side
    888,292.11x = 385,138,068,106.53
  5. Step 5: Solve for x
    x = 385,138,068,106.53/888,292.11
  6. Step 6: Final answer
    x = 433,571.42

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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.