Home / 775,171.22-1,069,495.85-452,648.66

Finding the Fourth Proportional to 775,171.22, 1,069,495.85 and 452,648.66

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Solution

The fourth proportional to 775,171.22, 1,069,495.85 and 452,648.66 is: 624,514.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,171.22 : 1,069,495.85 = 452,648.66 : x
  2. Step 2: Convert to fraction form
    775,171.22/1,069,495.85 = 452,648.66/x
  3. Step 3: Cross multiply
    775,171.22x = 1,069,495.85 × 452,648.66
  4. Step 4: Simplify right side
    775,171.22x = 484,105,859,162.20
  5. Step 5: Solve for x
    x = 484,105,859,162.20/775,171.22
  6. Step 6: Final answer
    x = 624,514.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.