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Finding the Fourth Proportional to 453,669.20, 680,503.80 and 369,688.40

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Solution

The fourth proportional to 453,669.20, 680,503.80 and 369,688.40 is: 554,532.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,669.20 : 680,503.80 = 369,688.40 : x
  2. Step 2: Convert to fraction form
    453,669.20/680,503.80 = 369,688.40/x
  3. Step 3: Cross multiply
    453,669.20x = 680,503.80 × 369,688.40
  4. Step 4: Simplify right side
    453,669.20x = 251,574,361,015.92
  5. Step 5: Solve for x
    x = 251,574,361,015.92/453,669.20
  6. Step 6: Final answer
    x = 554,532.60

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