Home / 677,063.44-1,015,332.54-361,348.12

Finding the Fourth Proportional to 677,063.44, 1,015,332.54 and 361,348.12

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Solution

The fourth proportional to 677,063.44, 1,015,332.54 and 361,348.12 is: 541,882.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,063.44 : 1,015,332.54 = 361,348.12 : x
  2. Step 2: Convert to fraction form
    677,063.44/1,015,332.54 = 361,348.12/x
  3. Step 3: Cross multiply
    677,063.44x = 1,015,332.54 × 361,348.12
  4. Step 4: Simplify right side
    677,063.44x = 366,888,504,503.83
  5. Step 5: Solve for x
    x = 366,888,504,503.83/677,063.44
  6. Step 6: Final answer
    x = 541,882.02

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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.