Home / 829,895.20-1,242,769.20-664,007.20

Finding the Fourth Proportional to 829,895.20, 1,242,769.20 and 664,007.20

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Solution

The fourth proportional to 829,895.20, 1,242,769.20 and 664,007.20 is: 994,351.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,895.20 : 1,242,769.20 = 664,007.20 : x
  2. Step 2: Convert to fraction form
    829,895.20/1,242,769.20 = 664,007.20/x
  3. Step 3: Cross multiply
    829,895.20x = 1,242,769.20 × 664,007.20
  4. Step 4: Simplify right side
    829,895.20x = 825,207,696,738.24
  5. Step 5: Solve for x
    x = 825,207,696,738.24/829,895.20
  6. Step 6: Final answer
    x = 994,351.69

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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.