Home / 987,515.36-1,481,041.92-277,611.20

Finding the Fourth Proportional to 987,515.36, 1,481,041.92 and 277,611.20

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Solution

The fourth proportional to 987,515.36, 1,481,041.92 and 277,611.20 is: 416,351.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,515.36 : 1,481,041.92 = 277,611.20 : x
  2. Step 2: Convert to fraction form
    987,515.36/1,481,041.92 = 277,611.20/x
  3. Step 3: Cross multiply
    987,515.36x = 1,481,041.92 × 277,611.20
  4. Step 4: Simplify right side
    987,515.36x = 411,153,824,661.50
  5. Step 5: Solve for x
    x = 411,153,824,661.50/987,515.36
  6. Step 6: Final answer
    x = 416,351.83

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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.