Home / 757,900.76-1,135,863.89-308,096.20

Finding the Fourth Proportional to 757,900.76, 1,135,863.89 and 308,096.20

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Solution

The fourth proportional to 757,900.76, 1,135,863.89 and 308,096.20 is: 461,742.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,900.76 : 1,135,863.89 = 308,096.20 : x
  2. Step 2: Convert to fraction form
    757,900.76/1,135,863.89 = 308,096.20/x
  3. Step 3: Cross multiply
    757,900.76x = 1,135,863.89 × 308,096.20
  4. Step 4: Simplify right side
    757,900.76x = 349,955,341,006.42
  5. Step 5: Solve for x
    x = 349,955,341,006.42/757,900.76
  6. Step 6: Final answer
    x = 461,742.96

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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.