Home / 722,218.65-1,083,325.32-216,777.43

Finding the Fourth Proportional to 722,218.65, 1,083,325.32 and 216,777.43

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Solution

The fourth proportional to 722,218.65, 1,083,325.32 and 216,777.43 is: 325,165.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,218.65 : 1,083,325.32 = 216,777.43 : x
  2. Step 2: Convert to fraction form
    722,218.65/1,083,325.32 = 216,777.43/x
  3. Step 3: Cross multiply
    722,218.65x = 1,083,325.32 × 216,777.43
  4. Step 4: Simplify right side
    722,218.65x = 234,840,480,077.68
  5. Step 5: Solve for x
    x = 234,840,480,077.68/722,218.65
  6. Step 6: Final answer
    x = 325,165.35

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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.