Home / 888,463.61-1,332,694.37-289,423.79

Finding the Fourth Proportional to 888,463.61, 1,332,694.37 and 289,423.79

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Solution

The fourth proportional to 888,463.61, 1,332,694.37 and 289,423.79 is: 434,135.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,463.61 : 1,332,694.37 = 289,423.79 : x
  2. Step 2: Convert to fraction form
    888,463.61/1,332,694.37 = 289,423.79/x
  3. Step 3: Cross multiply
    888,463.61x = 1,332,694.37 × 289,423.79
  4. Step 4: Simplify right side
    888,463.61x = 385,713,454,029.94
  5. Step 5: Solve for x
    x = 385,713,454,029.94/888,463.61
  6. Step 6: Final answer
    x = 434,135.34

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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.