Home / 799,871.44-1,199,808.38-320,315.20

Finding the Fourth Proportional to 799,871.44, 1,199,808.38 and 320,315.20

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Solution

The fourth proportional to 799,871.44, 1,199,808.38 and 320,315.20 is: 480,473.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    799,871.44 : 1,199,808.38 = 320,315.20 : x
  2. Step 2: Convert to fraction form
    799,871.44/1,199,808.38 = 320,315.20/x
  3. Step 3: Cross multiply
    799,871.44x = 1,199,808.38 × 320,315.20
  4. Step 4: Simplify right side
    799,871.44x = 384,316,861,201.38
  5. Step 5: Solve for x
    x = 384,316,861,201.38/799,871.44
  6. Step 6: Final answer
    x = 480,473.29

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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.