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Finding the Fourth Proportional to 483,214.40, 724,130.40 and 355,860.80

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Solution

The fourth proportional to 483,214.40, 724,130.40 and 355,860.80 is: 533,282.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,214.40 : 724,130.40 = 355,860.80 : x
  2. Step 2: Convert to fraction form
    483,214.40/724,130.40 = 355,860.80/x
  3. Step 3: Cross multiply
    483,214.40x = 724,130.40 × 355,860.80
  4. Step 4: Simplify right side
    483,214.40x = 257,689,623,448.32
  5. Step 5: Solve for x
    x = 257,689,623,448.32/483,214.40
  6. Step 6: Final answer
    x = 533,282.17

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