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Finding the Fourth Proportional to 346,695.60, 520,043.40 and 303,841.20

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Solution

The fourth proportional to 346,695.60, 520,043.40 and 303,841.20 is: 455,761.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,695.60 : 520,043.40 = 303,841.20 : x
  2. Step 2: Convert to fraction form
    346,695.60/520,043.40 = 303,841.20/x
  3. Step 3: Cross multiply
    346,695.60x = 520,043.40 × 303,841.20
  4. Step 4: Simplify right side
    346,695.60x = 158,010,610,708.08
  5. Step 5: Solve for x
    x = 158,010,610,708.08/346,695.60
  6. Step 6: Final answer
    x = 455,761.80

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