Home / 878,150.46-1,318,420.70-494,170.59

Finding the Fourth Proportional to 878,150.46, 1,318,420.70 and 494,170.59

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Solution

The fourth proportional to 878,150.46, 1,318,420.70 and 494,170.59 is: 741,928.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,150.46 : 1,318,420.70 = 494,170.59 : x
  2. Step 2: Convert to fraction form
    878,150.46/1,318,420.70 = 494,170.59/x
  3. Step 3: Cross multiply
    878,150.46x = 1,318,420.70 × 494,170.59
  4. Step 4: Simplify right side
    878,150.46x = 651,524,735,187.21
  5. Step 5: Solve for x
    x = 651,524,735,187.21/878,150.46
  6. Step 6: Final answer
    x = 741,928.37

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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.