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Finding the Fourth Proportional to 346,723.80, 520,085.70 and 296,957.40

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Solution

The fourth proportional to 346,723.80, 520,085.70 and 296,957.40 is: 445,436.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,723.80 : 520,085.70 = 296,957.40 : x
  2. Step 2: Convert to fraction form
    346,723.80/520,085.70 = 296,957.40/x
  3. Step 3: Cross multiply
    346,723.80x = 520,085.70 × 296,957.40
  4. Step 4: Simplify right side
    346,723.80x = 154,443,297,249.18
  5. Step 5: Solve for x
    x = 154,443,297,249.18/346,723.80
  6. Step 6: Final answer
    x = 445,436.10

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