Home / 902,635.21-1,354,039.08-254,209.78

Finding the Fourth Proportional to 902,635.21, 1,354,039.08 and 254,209.78

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Solution

The fourth proportional to 902,635.21, 1,354,039.08 and 254,209.78 is: 381,338.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,635.21 : 1,354,039.08 = 254,209.78 : x
  2. Step 2: Convert to fraction form
    902,635.21/1,354,039.08 = 254,209.78/x
  3. Step 3: Cross multiply
    902,635.21x = 1,354,039.08 × 254,209.78
  4. Step 4: Simplify right side
    902,635.21x = 344,209,976,638.20
  5. Step 5: Solve for x
    x = 344,209,976,638.20/902,635.21
  6. Step 6: Final answer
    x = 381,338.96

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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.