Home / 987,258.37-1,480,942.94-277,231.04

Finding the Fourth Proportional to 987,258.37, 1,480,942.94 and 277,231.04

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Solution

The fourth proportional to 987,258.37, 1,480,942.94 and 277,231.04 is: 415,862.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,258.37 : 1,480,942.94 = 277,231.04 : x
  2. Step 2: Convert to fraction form
    987,258.37/1,480,942.94 = 277,231.04/x
  3. Step 3: Cross multiply
    987,258.37x = 1,480,942.94 × 277,231.04
  4. Step 4: Simplify right side
    987,258.37x = 410,563,350,050.70
  5. Step 5: Solve for x
    x = 410,563,350,050.70/987,258.37
  6. Step 6: Final answer
    x = 415,862.11

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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.