Home / 987,261.88-1,480,948.20-277,234.54

Finding the Fourth Proportional to 987,261.88, 1,480,948.20 and 277,234.54

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Solution

The fourth proportional to 987,261.88, 1,480,948.20 and 277,234.54 is: 415,867.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,261.88 : 1,480,948.20 = 277,234.54 : x
  2. Step 2: Convert to fraction form
    987,261.88/1,480,948.20 = 277,234.54/x
  3. Step 3: Cross multiply
    987,261.88x = 1,480,948.20 × 277,234.54
  4. Step 4: Simplify right side
    987,261.88x = 410,569,992,990.83
  5. Step 5: Solve for x
    x = 410,569,992,990.83/987,261.88
  6. Step 6: Final answer
    x = 415,867.36

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1.5x scale

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.