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Finding the Fourth Proportional to 483,308.40, 724,271.40 and 355,954.80

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Solution

The fourth proportional to 483,308.40, 724,271.40 and 355,954.80 is: 533,423.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,308.40 : 724,271.40 = 355,954.80 : x
  2. Step 2: Convert to fraction form
    483,308.40/724,271.40 = 355,954.80/x
  3. Step 3: Cross multiply
    483,308.40x = 724,271.40 × 355,954.80
  4. Step 4: Simplify right side
    483,308.40x = 257,807,881,332.72
  5. Step 5: Solve for x
    x = 257,807,881,332.72/483,308.40
  6. Step 6: Final answer
    x = 533,423.13

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