Home / 987,356.12-1,481,084.90-277,439.52

Finding the Fourth Proportional to 987,356.12, 1,481,084.90 and 277,439.52

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Solution

The fourth proportional to 987,356.12, 1,481,084.90 and 277,439.52 is: 416,173.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,356.12 : 1,481,084.90 = 277,439.52 : x
  2. Step 2: Convert to fraction form
    987,356.12/1,481,084.90 = 277,439.52/x
  3. Step 3: Cross multiply
    987,356.12x = 1,481,084.90 × 277,439.52
  4. Step 4: Simplify right side
    987,356.12x = 410,911,483,735.25
  5. Step 5: Solve for x
    x = 410,911,483,735.25/987,356.12
  6. Step 6: Final answer
    x = 416,173.53

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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.