Home / 681,065.80-1,021,695.90-231,710.20

Finding the Fourth Proportional to 681,065.80, 1,021,695.90 and 231,710.20

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Solution

The fourth proportional to 681,065.80, 1,021,695.90 and 231,710.20 is: 347,598.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,065.80 : 1,021,695.90 = 231,710.20 : x
  2. Step 2: Convert to fraction form
    681,065.80/1,021,695.90 = 231,710.20/x
  3. Step 3: Cross multiply
    681,065.80x = 1,021,695.90 × 231,710.20
  4. Step 4: Simplify right side
    681,065.80x = 236,737,361,328.18
  5. Step 5: Solve for x
    x = 236,737,361,328.18/681,065.80
  6. Step 6: Final answer
    x = 347,598.37

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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.