Home / 681,573.30-1,022,408.55-208,257.90

Finding the Fourth Proportional to 681,573.30, 1,022,408.55 and 208,257.90

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Solution

The fourth proportional to 681,573.30, 1,022,408.55 and 208,257.90 is: 312,401.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,573.30 : 1,022,408.55 = 208,257.90 : x
  2. Step 2: Convert to fraction form
    681,573.30/1,022,408.55 = 208,257.90/x
  3. Step 3: Cross multiply
    681,573.30x = 1,022,408.55 × 208,257.90
  4. Step 4: Simplify right side
    681,573.30x = 212,924,657,565.05
  5. Step 5: Solve for x
    x = 212,924,657,565.05/681,573.30
  6. Step 6: Final answer
    x = 312,401.70

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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.