Home / 776,301.52-1,165,338-520,324.12

Finding the Fourth Proportional to 776,301.52, 1,165,338 and 520,324.12

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Solution

The fourth proportional to 776,301.52, 1,165,338 and 520,324.12 is: 781,079.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,301.52 : 1,165,338 = 520,324.12 : x
  2. Step 2: Convert to fraction form
    776,301.52/1,165,338 = 520,324.12/x
  3. Step 3: Cross multiply
    776,301.52x = 1,165,338 × 520,324.12
  4. Step 4: Simplify right side
    776,301.52x = 606,353,469,352.56
  5. Step 5: Solve for x
    x = 606,353,469,352.56/776,301.52
  6. Step 6: Final answer
    x = 781,079.84

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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.