Home / 722,647.65-1,084,025.24-217,168.17

Finding the Fourth Proportional to 722,647.65, 1,084,025.24 and 217,168.17

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Solution

The fourth proportional to 722,647.65, 1,084,025.24 and 217,168.17 is: 325,768.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,647.65 : 1,084,025.24 = 217,168.17 : x
  2. Step 2: Convert to fraction form
    722,647.65/1,084,025.24 = 217,168.17/x
  3. Step 3: Cross multiply
    722,647.65x = 1,084,025.24 × 217,168.17
  4. Step 4: Simplify right side
    722,647.65x = 235,415,777,604.61
  5. Step 5: Solve for x
    x = 235,415,777,604.61/722,647.65
  6. Step 6: Final answer
    x = 325,768.41

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1.5x scale

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.