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Finding the Fourth Proportional to 978,182.60, 1,467,533.10 and 347,030.60

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Solution

The fourth proportional to 978,182.60, 1,467,533.10 and 347,030.60 is: 520,637.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,182.60 : 1,467,533.10 = 347,030.60 : x
  2. Step 2: Convert to fraction form
    978,182.60/1,467,533.10 = 347,030.60/x
  3. Step 3: Cross multiply
    978,182.60x = 1,467,533.10 × 347,030.60
  4. Step 4: Simplify right side
    978,182.60x = 509,278,892,212.86
  5. Step 5: Solve for x
    x = 509,278,892,212.86/978,182.60
  6. Step 6: Final answer
    x = 520,637.86

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