Home / 987,258.87-1,480,943.69-277,231.54

Finding the Fourth Proportional to 987,258.87, 1,480,943.69 and 277,231.54

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Solution

The fourth proportional to 987,258.87, 1,480,943.69 and 277,231.54 is: 415,862.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,258.87 : 1,480,943.69 = 277,231.54 : x
  2. Step 2: Convert to fraction form
    987,258.87/1,480,943.69 = 277,231.54/x
  3. Step 3: Cross multiply
    987,258.87x = 1,480,943.69 × 277,231.54
  4. Step 4: Simplify right side
    987,258.87x = 410,564,299,831.98
  5. Step 5: Solve for x
    x = 410,564,299,831.98/987,258.87
  6. Step 6: Final answer
    x = 415,862.86

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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.