Home / 718,768.62-1,077,236.96-381,970.62

Finding the Fourth Proportional to 718,768.62, 1,077,236.96 and 381,970.62

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Solution

The fourth proportional to 718,768.62, 1,077,236.96 and 381,970.62 is: 572,469.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,768.62 : 1,077,236.96 = 381,970.62 : x
  2. Step 2: Convert to fraction form
    718,768.62/1,077,236.96 = 381,970.62/x
  3. Step 3: Cross multiply
    718,768.62x = 1,077,236.96 × 381,970.62
  4. Step 4: Simplify right side
    718,768.62x = 411,472,867,588.26
  5. Step 5: Solve for x
    x = 411,472,867,588.26/718,768.62
  6. Step 6: Final answer
    x = 572,469.16

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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.