Home / 775,476.78-1,163,215.57-243,039.27

Finding the Fourth Proportional to 775,476.78, 1,163,215.57 and 243,039.27

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Solution

The fourth proportional to 775,476.78, 1,163,215.57 and 243,039.27 is: 364,559.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,476.78 : 1,163,215.57 = 243,039.27 : x
  2. Step 2: Convert to fraction form
    775,476.78/1,163,215.57 = 243,039.27/x
  3. Step 3: Cross multiply
    775,476.78x = 1,163,215.57 × 243,039.27
  4. Step 4: Simplify right side
    775,476.78x = 282,707,062,985.43
  5. Step 5: Solve for x
    x = 282,707,062,985.43/775,476.78
  6. Step 6: Final answer
    x = 364,559.03

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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.