Home / 811,883.76-1,217,942.28-250,962

Finding the Fourth Proportional to 811,883.76, 1,217,942.28 and 250,962

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Solution

The fourth proportional to 811,883.76, 1,217,942.28 and 250,962 is: 376,479.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,883.76 : 1,217,942.28 = 250,962 : x
  2. Step 2: Convert to fraction form
    811,883.76/1,217,942.28 = 250,962/x
  3. Step 3: Cross multiply
    811,883.76x = 1,217,942.28 × 250,962
  4. Step 4: Simplify right side
    811,883.76x = 305,657,230,473.36
  5. Step 5: Solve for x
    x = 305,657,230,473.36/811,883.76
  6. Step 6: Final answer
    x = 376,479.05

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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.