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Finding the Fourth Proportional to 579,381.60, 866,998.80 and 529,615.20

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Solution

The fourth proportional to 579,381.60, 866,998.80 and 529,615.20 is: 792,527.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,381.60 : 866,998.80 = 529,615.20 : x
  2. Step 2: Convert to fraction form
    579,381.60/866,998.80 = 529,615.20/x
  3. Step 3: Cross multiply
    579,381.60x = 866,998.80 × 529,615.20
  4. Step 4: Simplify right side
    579,381.60x = 459,175,742,861.76
  5. Step 5: Solve for x
    x = 459,175,742,861.76/579,381.60
  6. Step 6: Final answer
    x = 792,527.31

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