Home / 799,204.32-1,199,396.40-378,479.52

Finding the Fourth Proportional to 799,204.32, 1,199,396.40 and 378,479.52

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Solution

The fourth proportional to 799,204.32, 1,199,396.40 and 378,479.52 is: 567,998.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    799,204.32 : 1,199,396.40 = 378,479.52 : x
  2. Step 2: Convert to fraction form
    799,204.32/1,199,396.40 = 378,479.52/x
  3. Step 3: Cross multiply
    799,204.32x = 1,199,396.40 × 378,479.52
  4. Step 4: Simplify right side
    799,204.32x = 453,946,973,761.73
  5. Step 5: Solve for x
    x = 453,946,973,761.73/799,204.32
  6. Step 6: Final answer
    x = 567,998.65

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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.