Home / 769,433.22-1,154,041.92-263,985.90

Finding the Fourth Proportional to 769,433.22, 1,154,041.92 and 263,985.90

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Solution

The fourth proportional to 769,433.22, 1,154,041.92 and 263,985.90 is: 395,941.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,433.22 : 1,154,041.92 = 263,985.90 : x
  2. Step 2: Convert to fraction form
    769,433.22/1,154,041.92 = 263,985.90/x
  3. Step 3: Cross multiply
    769,433.22x = 1,154,041.92 × 263,985.90
  4. Step 4: Simplify right side
    769,433.22x = 304,650,794,888.93
  5. Step 5: Solve for x
    x = 304,650,794,888.93/769,433.22
  6. Step 6: Final answer
    x = 395,941.83

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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.