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Finding the Fourth Proportional to 562,409.20, 843,687.80 and 207,672.40

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Solution

The fourth proportional to 562,409.20, 843,687.80 and 207,672.40 is: 311,535.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,409.20 : 843,687.80 = 207,672.40 : x
  2. Step 2: Convert to fraction form
    562,409.20/843,687.80 = 207,672.40/x
  3. Step 3: Cross multiply
    562,409.20x = 843,687.80 × 207,672.40
  4. Step 4: Simplify right side
    562,409.20x = 175,210,670,276.72
  5. Step 5: Solve for x
    x = 175,210,670,276.72/562,409.20
  6. Step 6: Final answer
    x = 311,535.92

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