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Finding the Fourth Proportional to 580,309.25, 870,183.74 and 243,259.40

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Solution

The fourth proportional to 580,309.25, 870,183.74 and 243,259.40 is: 364,771.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,309.25 : 870,183.74 = 243,259.40 : x
  2. Step 2: Convert to fraction form
    580,309.25/870,183.74 = 243,259.40/x
  3. Step 3: Cross multiply
    580,309.25x = 870,183.74 × 243,259.40
  4. Step 4: Simplify right side
    580,309.25x = 211,680,368,914.94
  5. Step 5: Solve for x
    x = 211,680,368,914.94/580,309.25
  6. Step 6: Final answer
    x = 364,771.66

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