Home / 680,859.75-1,020,994.20-231,459.90

Finding the Fourth Proportional to 680,859.75, 1,020,994.20 and 231,459.90

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Solution

The fourth proportional to 680,859.75, 1,020,994.20 and 231,459.90 is: 347,089.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,859.75 : 1,020,994.20 = 231,459.90 : x
  2. Step 2: Convert to fraction form
    680,859.75/1,020,994.20 = 231,459.90/x
  3. Step 3: Cross multiply
    680,859.75x = 1,020,994.20 × 231,459.90
  4. Step 4: Simplify right side
    680,859.75x = 236,319,215,432.58
  5. Step 5: Solve for x
    x = 236,319,215,432.58/680,859.75
  6. Step 6: Final answer
    x = 347,089.42

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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.