Home / 714,321.88-1,071,452.10-215,671

Finding the Fourth Proportional to 714,321.88, 1,071,452.10 and 215,671

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Solution

The fourth proportional to 714,321.88, 1,071,452.10 and 215,671 is: 323,497.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,321.88 : 1,071,452.10 = 215,671 : x
  2. Step 2: Convert to fraction form
    714,321.88/1,071,452.10 = 215,671/x
  3. Step 3: Cross multiply
    714,321.88x = 1,071,452.10 × 215,671
  4. Step 4: Simplify right side
    714,321.88x = 231,081,145,859.10
  5. Step 5: Solve for x
    x = 231,081,145,859.10/714,321.88
  6. Step 6: Final answer
    x = 323,497.22

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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.