Home / 878,150.97-1,318,421.46-494,171.10

Finding the Fourth Proportional to 878,150.97, 1,318,421.46 and 494,171.10

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Solution

The fourth proportional to 878,150.97, 1,318,421.46 and 494,171.10 is: 741,929.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,150.97 : 1,318,421.46 = 494,171.10 : x
  2. Step 2: Convert to fraction form
    878,150.97/1,318,421.46 = 494,171.10/x
  3. Step 3: Cross multiply
    878,150.97x = 1,318,421.46 × 494,171.10
  4. Step 4: Simplify right side
    878,150.97x = 651,525,783,151.81
  5. Step 5: Solve for x
    x = 651,525,783,151.81/878,150.97
  6. Step 6: Final answer
    x = 741,929.13

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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.