Home / 878,920.05-1,318,506.41-271,755.71

Finding the Fourth Proportional to 878,920.05, 1,318,506.41 and 271,755.71

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Solution

The fourth proportional to 878,920.05, 1,318,506.41 and 271,755.71 is: 407,672.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,920.05 : 1,318,506.41 = 271,755.71 : x
  2. Step 2: Convert to fraction form
    878,920.05/1,318,506.41 = 271,755.71/x
  3. Step 3: Cross multiply
    878,920.05x = 1,318,506.41 × 271,755.71
  4. Step 4: Simplify right side
    878,920.05x = 358,311,637,637.79
  5. Step 5: Solve for x
    x = 358,311,637,637.79/878,920.05
  6. Step 6: Final answer
    x = 407,672.62

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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.