Home / 804,447.50-1,206,670.60-205,408.76

Finding the Fourth Proportional to 804,447.50, 1,206,670.60 and 205,408.76

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Solution

The fourth proportional to 804,447.50, 1,206,670.60 and 205,408.76 is: 308,112.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,447.50 : 1,206,670.60 = 205,408.76 : x
  2. Step 2: Convert to fraction form
    804,447.50/1,206,670.60 = 205,408.76/x
  3. Step 3: Cross multiply
    804,447.50x = 1,206,670.60 × 205,408.76
  4. Step 4: Simplify right side
    804,447.50x = 247,860,711,674.46
  5. Step 5: Solve for x
    x = 247,860,711,674.46/804,447.50
  6. Step 6: Final answer
    x = 308,112.97

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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.