Home / 827,222.78-1,241,033.65-287,400.49

Finding the Fourth Proportional to 827,222.78, 1,241,033.65 and 287,400.49

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Solution

The fourth proportional to 827,222.78, 1,241,033.65 and 287,400.49 is: 431,170.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,222.78 : 1,241,033.65 = 287,400.49 : x
  2. Step 2: Convert to fraction form
    827,222.78/1,241,033.65 = 287,400.49/x
  3. Step 3: Cross multiply
    827,222.78x = 1,241,033.65 × 287,400.49
  4. Step 4: Simplify right side
    827,222.78x = 356,673,672,192.82
  5. Step 5: Solve for x
    x = 356,673,672,192.82/827,222.78
  6. Step 6: Final answer
    x = 431,170.03

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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.