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Finding the Fourth Proportional to 513,092.75, 708,054.80 and 286,740.11

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Solution

The fourth proportional to 513,092.75, 708,054.80 and 286,740.11 is: 395,693.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,092.75 : 708,054.80 = 286,740.11 : x
  2. Step 2: Convert to fraction form
    513,092.75/708,054.80 = 286,740.11/x
  3. Step 3: Cross multiply
    513,092.75x = 708,054.80 × 286,740.11
  4. Step 4: Simplify right side
    513,092.75x = 203,027,709,804.33
  5. Step 5: Solve for x
    x = 203,027,709,804.33/513,092.75
  6. Step 6: Final answer
    x = 395,693.98

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