Home / 987,456.38-1,481,239.84-277,429

Finding the Fourth Proportional to 987,456.38, 1,481,239.84 and 277,429

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Solution

The fourth proportional to 987,456.38, 1,481,239.84 and 277,429 is: 416,159.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,456.38 : 1,481,239.84 = 277,429 : x
  2. Step 2: Convert to fraction form
    987,456.38/1,481,239.84 = 277,429/x
  3. Step 3: Cross multiply
    987,456.38x = 1,481,239.84 × 277,429
  4. Step 4: Simplify right side
    987,456.38x = 410,938,887,571.36
  5. Step 5: Solve for x
    x = 410,938,887,571.36/987,456.38
  6. Step 6: Final answer
    x = 416,159.03

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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.