Home / 781,359.05-1,172,083.93-301,589.57

Finding the Fourth Proportional to 781,359.05, 1,172,083.93 and 301,589.57

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Solution

The fourth proportional to 781,359.05, 1,172,083.93 and 301,589.57 is: 452,401.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,359.05 : 1,172,083.93 = 301,589.57 : x
  2. Step 2: Convert to fraction form
    781,359.05/1,172,083.93 = 301,589.57/x
  3. Step 3: Cross multiply
    781,359.05x = 1,172,083.93 × 301,589.57
  4. Step 4: Simplify right side
    781,359.05x = 353,488,281,838.22
  5. Step 5: Solve for x
    x = 353,488,281,838.22/781,359.05
  6. Step 6: Final answer
    x = 452,401.86

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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.