Home / 987,161.65-1,480,832.84-277,184.90

Finding the Fourth Proportional to 987,161.65, 1,480,832.84 and 277,184.90

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Solution

The fourth proportional to 987,161.65, 1,480,832.84 and 277,184.90 is: 415,802.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,161.65 : 1,480,832.84 = 277,184.90 : x
  2. Step 2: Convert to fraction form
    987,161.65/1,480,832.84 = 277,184.90/x
  3. Step 3: Cross multiply
    987,161.65x = 1,480,832.84 × 277,184.90
  4. Step 4: Simplify right side
    987,161.65x = 410,464,505,508.00
  5. Step 5: Solve for x
    x = 410,464,505,508.00/987,161.65
  6. Step 6: Final answer
    x = 415,802.73

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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.