Home / 873,315.26-1,309,972.78-242,229.07

Finding the Fourth Proportional to 873,315.26, 1,309,972.78 and 242,229.07

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Solution

The fourth proportional to 873,315.26, 1,309,972.78 and 242,229.07 is: 363,343.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,315.26 : 1,309,972.78 = 242,229.07 : x
  2. Step 2: Convert to fraction form
    873,315.26/1,309,972.78 = 242,229.07/x
  3. Step 3: Cross multiply
    873,315.26x = 1,309,972.78 × 242,229.07
  4. Step 4: Simplify right side
    873,315.26x = 317,313,488,224.72
  5. Step 5: Solve for x
    x = 317,313,488,224.72/873,315.26
  6. Step 6: Final answer
    x = 363,343.57

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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.