Home / 987,717.60-1,481,641.20-277,768.80

Finding the Fourth Proportional to 987,717.60, 1,481,641.20 and 277,768.80

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Solution

The fourth proportional to 987,717.60, 1,481,641.20 and 277,768.80 is: 416,671.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,717.60 : 1,481,641.20 = 277,768.80 : x
  2. Step 2: Convert to fraction form
    987,717.60/1,481,641.20 = 277,768.80/x
  3. Step 3: Cross multiply
    987,717.60x = 1,481,641.20 × 277,768.80
  4. Step 4: Simplify right side
    987,717.60x = 411,553,698,154.56
  5. Step 5: Solve for x
    x = 411,553,698,154.56/987,717.60
  6. Step 6: Final answer
    x = 416,671.42

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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.