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Finding the Fourth Proportional to 493,592.40, 680,223.96 and 357,395.76

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Solution

The fourth proportional to 493,592.40, 680,223.96 and 357,395.76 is: 492,530.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,592.40 : 680,223.96 = 357,395.76 : x
  2. Step 2: Convert to fraction form
    493,592.40/680,223.96 = 357,395.76/x
  3. Step 3: Cross multiply
    493,592.40x = 680,223.96 × 357,395.76
  4. Step 4: Simplify right side
    493,592.40x = 243,109,159,154.41
  5. Step 5: Solve for x
    x = 243,109,159,154.41/493,592.40
  6. Step 6: Final answer
    x = 492,530.19

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