Home / 987,314.88-1,481,029.71-277,398.36

Finding the Fourth Proportional to 987,314.88, 1,481,029.71 and 277,398.36

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Solution

The fourth proportional to 987,314.88, 1,481,029.71 and 277,398.36 is: 416,113.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,314.88 : 1,481,029.71 = 277,398.36 : x
  2. Step 2: Convert to fraction form
    987,314.88/1,481,029.71 = 277,398.36/x
  3. Step 3: Cross multiply
    987,314.88x = 1,481,029.71 × 277,398.36
  4. Step 4: Simplify right side
    987,314.88x = 410,835,212,665.28
  5. Step 5: Solve for x
    x = 410,835,212,665.28/987,314.88
  6. Step 6: Final answer
    x = 416,113.66

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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.