Home / 987,281.45-1,480,977.15-277,253.88

Finding the Fourth Proportional to 987,281.45, 1,480,977.15 and 277,253.88

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Solution

The fourth proportional to 987,281.45, 1,480,977.15 and 277,253.88 is: 415,896.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,281.45 : 1,480,977.15 = 277,253.88 : x
  2. Step 2: Convert to fraction form
    987,281.45/1,480,977.15 = 277,253.88/x
  3. Step 3: Cross multiply
    987,281.45x = 1,480,977.15 × 277,253.88
  4. Step 4: Simplify right side
    987,281.45x = 410,606,661,028.84
  5. Step 5: Solve for x
    x = 410,606,661,028.84/987,281.45
  6. Step 6: Final answer
    x = 415,896.26

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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.