Home / 773,911.28-1,161,315.12-324,592.04

Finding the Fourth Proportional to 773,911.28, 1,161,315.12 and 324,592.04

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Solution

The fourth proportional to 773,911.28, 1,161,315.12 and 324,592.04 is: 487,076.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,911.28 : 1,161,315.12 = 324,592.04 : x
  2. Step 2: Convert to fraction form
    773,911.28/1,161,315.12 = 324,592.04/x
  3. Step 3: Cross multiply
    773,911.28x = 1,161,315.12 × 324,592.04
  4. Step 4: Simplify right side
    773,911.28x = 376,953,643,883.65
  5. Step 5: Solve for x
    x = 376,953,643,883.65/773,911.28
  6. Step 6: Final answer
    x = 487,076.04

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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.