Home / 799,688.52-1,199,742.82-287,405.36

Finding the Fourth Proportional to 799,688.52, 1,199,742.82 and 287,405.36

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Solution

The fourth proportional to 799,688.52, 1,199,742.82 and 287,405.36 is: 431,183.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    799,688.52 : 1,199,742.82 = 287,405.36 : x
  2. Step 2: Convert to fraction form
    799,688.52/1,199,742.82 = 287,405.36/x
  3. Step 3: Cross multiply
    799,688.52x = 1,199,742.82 × 287,405.36
  4. Step 4: Simplify right side
    799,688.52x = 344,812,517,089.52
  5. Step 5: Solve for x
    x = 344,812,517,089.52/799,688.52
  6. Step 6: Final answer
    x = 431,183.53

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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.