Home / 703,619.08-970,997.76-381,329.16

Finding the Fourth Proportional to 703,619.08, 970,997.76 and 381,329.16

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Solution

The fourth proportional to 703,619.08, 970,997.76 and 381,329.16 is: 526,236.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,619.08 : 970,997.76 = 381,329.16 : x
  2. Step 2: Convert to fraction form
    703,619.08/970,997.76 = 381,329.16/x
  3. Step 3: Cross multiply
    703,619.08x = 970,997.76 × 381,329.16
  4. Step 4: Simplify right side
    703,619.08x = 370,269,760,182.68
  5. Step 5: Solve for x
    x = 370,269,760,182.68/703,619.08
  6. Step 6: Final answer
    x = 526,236.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.