Home / 807,682.50-1,114,609.32-445,119.36

Finding the Fourth Proportional to 807,682.50, 1,114,609.32 and 445,119.36

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Solution

The fourth proportional to 807,682.50, 1,114,609.32 and 445,119.36 is: 614,268.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,682.50 : 1,114,609.32 = 445,119.36 : x
  2. Step 2: Convert to fraction form
    807,682.50/1,114,609.32 = 445,119.36/x
  3. Step 3: Cross multiply
    807,682.50x = 1,114,609.32 × 445,119.36
  4. Step 4: Simplify right side
    807,682.50x = 496,134,187,168.44
  5. Step 5: Solve for x
    x = 496,134,187,168.44/807,682.50
  6. Step 6: Final answer
    x = 614,268.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.