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Finding the Fourth Proportional to 482,779.80, 724,860.90 and 272,827.80

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Solution

The fourth proportional to 482,779.80, 724,860.90 and 272,827.80 is: 409,632.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,779.80 : 724,860.90 = 272,827.80 : x
  2. Step 2: Convert to fraction form
    482,779.80/724,860.90 = 272,827.80/x
  3. Step 3: Cross multiply
    482,779.80x = 724,860.90 × 272,827.80
  4. Step 4: Simplify right side
    482,779.80x = 197,762,204,653.02
  5. Step 5: Solve for x
    x = 197,762,204,653.02/482,779.80
  6. Step 6: Final answer
    x = 409,632.31

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