Home / 987,296.40-1,481,002.02-277,379.80

Finding the Fourth Proportional to 987,296.40, 1,481,002.02 and 277,379.80

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Solution

The fourth proportional to 987,296.40, 1,481,002.02 and 277,379.80 is: 416,085.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,296.40 : 1,481,002.02 = 277,379.80 : x
  2. Step 2: Convert to fraction form
    987,296.40/1,481,002.02 = 277,379.80/x
  3. Step 3: Cross multiply
    987,296.40x = 1,481,002.02 × 277,379.80
  4. Step 4: Simplify right side
    987,296.40x = 410,800,044,107.20
  5. Step 5: Solve for x
    x = 410,800,044,107.20/987,296.40
  6. Step 6: Final answer
    x = 416,085.83

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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.