Home / 799,293-1,199,531.36-378,570.20

Finding the Fourth Proportional to 799,293, 1,199,531.36 and 378,570.20

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Solution

The fourth proportional to 799,293, 1,199,531.36 and 378,570.20 is: 568,135.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    799,293 : 1,199,531.36 = 378,570.20 : x
  2. Step 2: Convert to fraction form
    799,293/1,199,531.36 = 378,570.20/x
  3. Step 3: Cross multiply
    799,293x = 1,199,531.36 × 378,570.20
  4. Step 4: Simplify right side
    799,293x = 454,106,826,861.47
  5. Step 5: Solve for x
    x = 454,106,826,861.47/799,293
  6. Step 6: Final answer
    x = 568,135.62

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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.