Home / 757,834.56-1,135,991.52-258,857.28

Finding the Fourth Proportional to 757,834.56, 1,135,991.52 and 258,857.28

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Solution

The fourth proportional to 757,834.56, 1,135,991.52 and 258,857.28 is: 388,026.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,834.56 : 1,135,991.52 = 258,857.28 : x
  2. Step 2: Convert to fraction form
    757,834.56/1,135,991.52 = 258,857.28/x
  3. Step 3: Cross multiply
    757,834.56x = 1,135,991.52 × 258,857.28
  4. Step 4: Simplify right side
    757,834.56x = 294,059,674,970.27
  5. Step 5: Solve for x
    x = 294,059,674,970.27/757,834.56
  6. Step 6: Final answer
    x = 388,026.21

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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.