Home / 783,694.07-1,175,542.40-215,082.96

Finding the Fourth Proportional to 783,694.07, 1,175,542.40 and 215,082.96

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Solution

The fourth proportional to 783,694.07, 1,175,542.40 and 215,082.96 is: 322,624.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,694.07 : 1,175,542.40 = 215,082.96 : x
  2. Step 2: Convert to fraction form
    783,694.07/1,175,542.40 = 215,082.96/x
  3. Step 3: Cross multiply
    783,694.07x = 1,175,542.40 × 215,082.96
  4. Step 4: Simplify right side
    783,694.07x = 252,839,138,997.50
  5. Step 5: Solve for x
    x = 252,839,138,997.50/783,694.07
  6. Step 6: Final answer
    x = 322,624.80

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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.