Home / 757,898.40-1,135,860.33-308,093.86

Finding the Fourth Proportional to 757,898.40, 1,135,860.33 and 308,093.86

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Solution

The fourth proportional to 757,898.40, 1,135,860.33 and 308,093.86 is: 461,739.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,898.40 : 1,135,860.33 = 308,093.86 : x
  2. Step 2: Convert to fraction form
    757,898.40/1,135,860.33 = 308,093.86/x
  3. Step 3: Cross multiply
    757,898.40x = 1,135,860.33 × 308,093.86
  4. Step 4: Simplify right side
    757,898.40x = 349,951,593,490.57
  5. Step 5: Solve for x
    x = 349,951,593,490.57/757,898.40
  6. Step 6: Final answer
    x = 461,739.45

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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.