Home / 914,056.30-1,371,212.03-381,455.25

Finding the Fourth Proportional to 914,056.30, 1,371,212.03 and 381,455.25

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Solution

The fourth proportional to 914,056.30, 1,371,212.03 and 381,455.25 is: 572,236.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,056.30 : 1,371,212.03 = 381,455.25 : x
  2. Step 2: Convert to fraction form
    914,056.30/1,371,212.03 = 381,455.25/x
  3. Step 3: Cross multiply
    914,056.30x = 1,371,212.03 × 381,455.25
  4. Step 4: Simplify right side
    914,056.30x = 523,056,027,706.66
  5. Step 5: Solve for x
    x = 523,056,027,706.66/914,056.30
  6. Step 6: Final answer
    x = 572,236.12

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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.