Home / 726,932.90-1,090,622.46-372,195.98

Finding the Fourth Proportional to 726,932.90, 1,090,622.46 and 372,195.98

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Solution

The fourth proportional to 726,932.90, 1,090,622.46 and 372,195.98 is: 558,408.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,932.90 : 1,090,622.46 = 372,195.98 : x
  2. Step 2: Convert to fraction form
    726,932.90/1,090,622.46 = 372,195.98/x
  3. Step 3: Cross multiply
    726,932.90x = 1,090,622.46 × 372,195.98
  4. Step 4: Simplify right side
    726,932.90x = 405,925,295,309.71
  5. Step 5: Solve for x
    x = 405,925,295,309.71/726,932.90
  6. Step 6: Final answer
    x = 558,408.20

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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.