Home / 875,380.77-1,313,069.90-342,527.85

Finding the Fourth Proportional to 875,380.77, 1,313,069.90 and 342,527.85

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Solution

The fourth proportional to 875,380.77, 1,313,069.90 and 342,527.85 is: 513,791.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,380.77 : 1,313,069.90 = 342,527.85 : x
  2. Step 2: Convert to fraction form
    875,380.77/1,313,069.90 = 342,527.85/x
  3. Step 3: Cross multiply
    875,380.77x = 1,313,069.90 × 342,527.85
  4. Step 4: Simplify right side
    875,380.77x = 449,763,008,034.08
  5. Step 5: Solve for x
    x = 449,763,008,034.08/875,380.77
  6. Step 6: Final answer
    x = 513,791.28

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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.