Home / 780,930.80-1,171,186.00-275,426.17

Finding the Fourth Proportional to 780,930.80, 1,171,186.00 and 275,426.17

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Solution

The fourth proportional to 780,930.80, 1,171,186.00 and 275,426.17 is: 413,065.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,930.80 : 1,171,186.00 = 275,426.17 : x
  2. Step 2: Convert to fraction form
    780,930.80/1,171,186.00 = 275,426.17/x
  3. Step 3: Cross multiply
    780,930.80x = 1,171,186.00 × 275,426.17
  4. Step 4: Simplify right side
    780,930.80x = 322,575,270,284.90
  5. Step 5: Solve for x
    x = 322,575,270,284.90/780,930.80
  6. Step 6: Final answer
    x = 413,065.11

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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.