Home / 804,123.18-1,206,272.25-298,624.86

Finding the Fourth Proportional to 804,123.18, 1,206,272.25 and 298,624.86

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Solution

The fourth proportional to 804,123.18, 1,206,272.25 and 298,624.86 is: 447,969.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,123.18 : 1,206,272.25 = 298,624.86 : x
  2. Step 2: Convert to fraction form
    804,123.18/1,206,272.25 = 298,624.86/x
  3. Step 3: Cross multiply
    804,123.18x = 1,206,272.25 × 298,624.86
  4. Step 4: Simplify right side
    804,123.18x = 360,222,881,778.14
  5. Step 5: Solve for x
    x = 360,222,881,778.14/804,123.18
  6. Step 6: Final answer
    x = 447,969.78

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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.