Home / 987,279.82-1,480,977.14-277,363.22

Finding the Fourth Proportional to 987,279.82, 1,480,977.14 and 277,363.22

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Solution

The fourth proportional to 987,279.82, 1,480,977.14 and 277,363.22 is: 416,060.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,279.82 : 1,480,977.14 = 277,363.22 : x
  2. Step 2: Convert to fraction form
    987,279.82/1,480,977.14 = 277,363.22/x
  3. Step 3: Cross multiply
    987,279.82x = 1,480,977.14 × 277,363.22
  4. Step 4: Simplify right side
    987,279.82x = 410,768,579,505.09
  5. Step 5: Solve for x
    x = 410,768,579,505.09/987,279.82
  6. Step 6: Final answer
    x = 416,060.95

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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.