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Finding the Fourth Proportional to 482,542.80, 724,505.40 and 272,590.80

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Solution

The fourth proportional to 482,542.80, 724,505.40 and 272,590.80 is: 409,276.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,542.80 : 724,505.40 = 272,590.80 : x
  2. Step 2: Convert to fraction form
    482,542.80/724,505.40 = 272,590.80/x
  3. Step 3: Cross multiply
    482,542.80x = 724,505.40 × 272,590.80
  4. Step 4: Simplify right side
    482,542.80x = 197,493,506,590.32
  5. Step 5: Solve for x
    x = 197,493,506,590.32/482,542.80
  6. Step 6: Final answer
    x = 409,276.66

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