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Finding the Fourth Proportional to 724,596.48, 999,974.40 and 402,306.64

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Solution

The fourth proportional to 724,596.48, 999,974.40 and 402,306.64 is: 555,200.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,596.48 : 999,974.40 = 402,306.64 : x
  2. Step 2: Convert to fraction form
    724,596.48/999,974.40 = 402,306.64/x
  3. Step 3: Cross multiply
    724,596.48x = 999,974.40 × 402,306.64
  4. Step 4: Simplify right side
    724,596.48x = 402,296,340,950.02
  5. Step 5: Solve for x
    x = 402,296,340,950.02/724,596.48
  6. Step 6: Final answer
    x = 555,200.52

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