Home / 724,078.56-1,085,887.44-303,276

Finding the Fourth Proportional to 724,078.56, 1,085,887.44 and 303,276

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Solution

The fourth proportional to 724,078.56, 1,085,887.44 and 303,276 is: 454,817.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,078.56 : 1,085,887.44 = 303,276 : x
  2. Step 2: Convert to fraction form
    724,078.56/1,085,887.44 = 303,276/x
  3. Step 3: Cross multiply
    724,078.56x = 1,085,887.44 × 303,276
  4. Step 4: Simplify right side
    724,078.56x = 329,323,599,253.44
  5. Step 5: Solve for x
    x = 329,323,599,253.44/724,078.56
  6. Step 6: Final answer
    x = 454,817.50

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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.