Home / 727,552.80-1,091,329.20-699,559.20

Finding the Fourth Proportional to 727,552.80, 1,091,329.20 and 699,559.20

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Solution

The fourth proportional to 727,552.80, 1,091,329.20 and 699,559.20 is: 1,049,338.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,552.80 : 1,091,329.20 = 699,559.20 : x
  2. Step 2: Convert to fraction form
    727,552.80/1,091,329.20 = 699,559.20/x
  3. Step 3: Cross multiply
    727,552.80x = 1,091,329.20 × 699,559.20
  4. Step 4: Simplify right side
    727,552.80x = 763,449,382,088.64
  5. Step 5: Solve for x
    x = 763,449,382,088.64/727,552.80
  6. Step 6: Final answer
    x = 1,049,338.80

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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.