Home / 987,771.60-1,481,722.20-277,822.80

Finding the Fourth Proportional to 987,771.60, 1,481,722.20 and 277,822.80

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Solution

The fourth proportional to 987,771.60, 1,481,722.20 and 277,822.80 is: 416,752.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,771.60 : 1,481,722.20 = 277,822.80 : x
  2. Step 2: Convert to fraction form
    987,771.60/1,481,722.20 = 277,822.80/x
  3. Step 3: Cross multiply
    987,771.60x = 1,481,722.20 × 277,822.80
  4. Step 4: Simplify right side
    987,771.60x = 411,656,210,426.16
  5. Step 5: Solve for x
    x = 411,656,210,426.16/987,771.60
  6. Step 6: Final answer
    x = 416,752.43

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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.