Home / 757,614.40-1,135,634.40-308,142.40

Finding the Fourth Proportional to 757,614.40, 1,135,634.40 and 308,142.40

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Solution

The fourth proportional to 757,614.40, 1,135,634.40 and 308,142.40 is: 461,893.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,614.40 : 1,135,634.40 = 308,142.40 : x
  2. Step 2: Convert to fraction form
    757,614.40/1,135,634.40 = 308,142.40/x
  3. Step 3: Cross multiply
    757,614.40x = 1,135,634.40 × 308,142.40
  4. Step 4: Simplify right side
    757,614.40x = 349,937,109,538.56
  5. Step 5: Solve for x
    x = 349,937,109,538.56/757,614.40
  6. Step 6: Final answer
    x = 461,893.42

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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.