Home / 821,510.85-1,232,383.83-252,940.06

Finding the Fourth Proportional to 821,510.85, 1,232,383.83 and 252,940.06

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Solution

The fourth proportional to 821,510.85, 1,232,383.83 and 252,940.06 is: 379,446.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,510.85 : 1,232,383.83 = 252,940.06 : x
  2. Step 2: Convert to fraction form
    821,510.85/1,232,383.83 = 252,940.06/x
  3. Step 3: Cross multiply
    821,510.85x = 1,232,383.83 × 252,940.06
  4. Step 4: Simplify right side
    821,510.85x = 311,719,232,476.61
  5. Step 5: Solve for x
    x = 311,719,232,476.61/821,510.85
  6. Step 6: Final answer
    x = 379,446.28

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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.