Home / 774,522.46-1,162,238.40-325,208.78

Finding the Fourth Proportional to 774,522.46, 1,162,238.40 and 325,208.78

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Solution

The fourth proportional to 774,522.46, 1,162,238.40 and 325,208.78 is: 488,004.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,522.46 : 1,162,238.40 = 325,208.78 : x
  2. Step 2: Convert to fraction form
    774,522.46/1,162,238.40 = 325,208.78/x
  3. Step 3: Cross multiply
    774,522.46x = 1,162,238.40 × 325,208.78
  4. Step 4: Simplify right side
    774,522.46x = 377,970,126,321.96
  5. Step 5: Solve for x
    x = 377,970,126,321.96/774,522.46
  6. Step 6: Final answer
    x = 488,004.09

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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.