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Finding the Fourth Proportional to 482,762.80, 724,835.40 and 272,810.80

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Solution

The fourth proportional to 482,762.80, 724,835.40 and 272,810.80 is: 409,606.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,762.80 : 724,835.40 = 272,810.80 : x
  2. Step 2: Convert to fraction form
    482,762.80/724,835.40 = 272,810.80/x
  3. Step 3: Cross multiply
    482,762.80x = 724,835.40 × 272,810.80
  4. Step 4: Simplify right side
    482,762.80x = 197,742,925,342.32
  5. Step 5: Solve for x
    x = 197,742,925,342.32/482,762.80
  6. Step 6: Final answer
    x = 409,606.80

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