Home / 987,262.88-1,480,949.70-277,235.54

Finding the Fourth Proportional to 987,262.88, 1,480,949.70 and 277,235.54

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Solution

The fourth proportional to 987,262.88, 1,480,949.70 and 277,235.54 is: 415,868.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,262.88 : 1,480,949.70 = 277,235.54 : x
  2. Step 2: Convert to fraction form
    987,262.88/1,480,949.70 = 277,235.54/x
  3. Step 3: Cross multiply
    987,262.88x = 1,480,949.70 × 277,235.54
  4. Step 4: Simplify right side
    987,262.88x = 410,571,889,792.34
  5. Step 5: Solve for x
    x = 410,571,889,792.34/987,262.88
  6. Step 6: Final answer
    x = 415,868.86

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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.