Home / 987,293.13-1,480,997.12-277,376.54

Finding the Fourth Proportional to 987,293.13, 1,480,997.12 and 277,376.54

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Solution

The fourth proportional to 987,293.13, 1,480,997.12 and 277,376.54 is: 416,080.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,293.13 : 1,480,997.12 = 277,376.54 : x
  2. Step 2: Convert to fraction form
    987,293.13/1,480,997.12 = 277,376.54/x
  3. Step 3: Cross multiply
    987,293.13x = 1,480,997.12 × 277,376.54
  4. Step 4: Simplify right side
    987,293.13x = 410,793,848,103.70
  5. Step 5: Solve for x
    x = 410,793,848,103.70/987,293.13
  6. Step 6: Final answer
    x = 416,080.93

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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.