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Finding the Fourth Proportional to 572,539.60, 858,809.40 and 323,707.60

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Solution

The fourth proportional to 572,539.60, 858,809.40 and 323,707.60 is: 485,561.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,539.60 : 858,809.40 = 323,707.60 : x
  2. Step 2: Convert to fraction form
    572,539.60/858,809.40 = 323,707.60/x
  3. Step 3: Cross multiply
    572,539.60x = 858,809.40 × 323,707.60
  4. Step 4: Simplify right side
    572,539.60x = 278,003,129,731.44
  5. Step 5: Solve for x
    x = 278,003,129,731.44/572,539.60
  6. Step 6: Final answer
    x = 485,561.40

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