Home / 914,056.80-1,371,212.78-381,455.75

Finding the Fourth Proportional to 914,056.80, 1,371,212.78 and 381,455.75

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Solution

The fourth proportional to 914,056.80, 1,371,212.78 and 381,455.75 is: 572,236.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,056.80 : 1,371,212.78 = 381,455.75 : x
  2. Step 2: Convert to fraction form
    914,056.80/1,371,212.78 = 381,455.75/x
  3. Step 3: Cross multiply
    914,056.80x = 1,371,212.78 × 381,455.75
  4. Step 4: Simplify right side
    914,056.80x = 523,056,990,641.14
  5. Step 5: Solve for x
    x = 523,056,990,641.14/914,056.80
  6. Step 6: Final answer
    x = 572,236.86

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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.