Home / 773,941.72-1,161,360.78-324,622.60

Finding the Fourth Proportional to 773,941.72, 1,161,360.78 and 324,622.60

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Solution

The fourth proportional to 773,941.72, 1,161,360.78 and 324,622.60 is: 487,121.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,941.72 : 1,161,360.78 = 324,622.60 : x
  2. Step 2: Convert to fraction form
    773,941.72/1,161,360.78 = 324,622.60/x
  3. Step 3: Cross multiply
    773,941.72x = 1,161,360.78 × 324,622.60
  4. Step 4: Simplify right side
    773,941.72x = 377,003,955,941.63
  5. Step 5: Solve for x
    x = 377,003,955,941.63/773,941.72
  6. Step 6: Final answer
    x = 487,121.89

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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.