Home / 694,235.80-1,041,309.96-221,260.60

Finding the Fourth Proportional to 694,235.80, 1,041,309.96 and 221,260.60

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Solution

The fourth proportional to 694,235.80, 1,041,309.96 and 221,260.60 is: 331,876.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,235.80 : 1,041,309.96 = 221,260.60 : x
  2. Step 2: Convert to fraction form
    694,235.80/1,041,309.96 = 221,260.60/x
  3. Step 3: Cross multiply
    694,235.80x = 1,041,309.96 × 221,260.60
  4. Step 4: Simplify right side
    694,235.80x = 230,400,866,535.58
  5. Step 5: Solve for x
    x = 230,400,866,535.58/694,235.80
  6. Step 6: Final answer
    x = 331,876.96

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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.