Home / 775,970.20-1,163,952.06-215,003.08

Finding the Fourth Proportional to 775,970.20, 1,163,952.06 and 215,003.08

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Solution

The fourth proportional to 775,970.20, 1,163,952.06 and 215,003.08 is: 322,503.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,970.20 : 1,163,952.06 = 215,003.08 : x
  2. Step 2: Convert to fraction form
    775,970.20/1,163,952.06 = 215,003.08/x
  3. Step 3: Cross multiply
    775,970.20x = 1,163,952.06 × 215,003.08
  4. Step 4: Simplify right side
    775,970.20x = 250,253,277,872.35
  5. Step 5: Solve for x
    x = 250,253,277,872.35/775,970.20
  6. Step 6: Final answer
    x = 322,503.72

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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.