Home / 773,791.80-1,160,687.70-691,123.20

Finding the Fourth Proportional to 773,791.80, 1,160,687.70 and 691,123.20

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Solution

The fourth proportional to 773,791.80, 1,160,687.70 and 691,123.20 is: 1,036,684.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,791.80 : 1,160,687.70 = 691,123.20 : x
  2. Step 2: Convert to fraction form
    773,791.80/1,160,687.70 = 691,123.20/x
  3. Step 3: Cross multiply
    773,791.80x = 1,160,687.70 × 691,123.20
  4. Step 4: Simplify right side
    773,791.80x = 802,178,197,424.64
  5. Step 5: Solve for x
    x = 802,178,197,424.64/773,791.80
  6. Step 6: Final answer
    x = 1,036,684.80

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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.