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Finding the Fourth Proportional to 493,384.80, 740,422.80 and 316,322.40

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Solution

The fourth proportional to 493,384.80, 740,422.80 and 316,322.40 is: 474,705.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,384.80 : 740,422.80 = 316,322.40 : x
  2. Step 2: Convert to fraction form
    493,384.80/740,422.80 = 316,322.40/x
  3. Step 3: Cross multiply
    493,384.80x = 740,422.80 × 316,322.40
  4. Step 4: Simplify right side
    493,384.80x = 234,212,317,110.72
  5. Step 5: Solve for x
    x = 234,212,317,110.72/493,384.80
  6. Step 6: Final answer
    x = 474,705.17

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