Home / 769,536.82-1,154,305.24-208,571.32

Finding the Fourth Proportional to 769,536.82, 1,154,305.24 and 208,571.32

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Solution

The fourth proportional to 769,536.82, 1,154,305.24 and 208,571.32 is: 312,856.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,536.82 : 1,154,305.24 = 208,571.32 : x
  2. Step 2: Convert to fraction form
    769,536.82/1,154,305.24 = 208,571.32/x
  3. Step 3: Cross multiply
    769,536.82x = 1,154,305.24 × 208,571.32
  4. Step 4: Simplify right side
    769,536.82x = 240,754,967,589.72
  5. Step 5: Solve for x
    x = 240,754,967,589.72/769,536.82
  6. Step 6: Final answer
    x = 312,856.98

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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.