Home / 769,704.60-1,154,556.90-738,211.80

Finding the Fourth Proportional to 769,704.60, 1,154,556.90 and 738,211.80

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Solution

The fourth proportional to 769,704.60, 1,154,556.90 and 738,211.80 is: 1,107,317.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,704.60 : 1,154,556.90 = 738,211.80 : x
  2. Step 2: Convert to fraction form
    769,704.60/1,154,556.90 = 738,211.80/x
  3. Step 3: Cross multiply
    769,704.60x = 1,154,556.90 × 738,211.80
  4. Step 4: Simplify right side
    769,704.60x = 852,307,527,351.42
  5. Step 5: Solve for x
    x = 852,307,527,351.42/769,704.60
  6. Step 6: Final answer
    x = 1,107,317.70

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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.