Home / 987,258.70-1,480,943.44-277,231.37

Finding the Fourth Proportional to 987,258.70, 1,480,943.44 and 277,231.37

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Solution

The fourth proportional to 987,258.70, 1,480,943.44 and 277,231.37 is: 415,862.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,258.70 : 1,480,943.44 = 277,231.37 : x
  2. Step 2: Convert to fraction form
    987,258.70/1,480,943.44 = 277,231.37/x
  3. Step 3: Cross multiply
    987,258.70x = 1,480,943.44 × 277,231.37
  4. Step 4: Simplify right side
    987,258.70x = 410,563,978,763.71
  5. Step 5: Solve for x
    x = 410,563,978,763.71/987,258.70
  6. Step 6: Final answer
    x = 415,862.61

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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.