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Finding the Fourth Proportional to 462,145.60, 693,218.40 and 409,657.60

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Solution

The fourth proportional to 462,145.60, 693,218.40 and 409,657.60 is: 614,486.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,145.60 : 693,218.40 = 409,657.60 : x
  2. Step 2: Convert to fraction form
    462,145.60/693,218.40 = 409,657.60/x
  3. Step 3: Cross multiply
    462,145.60x = 693,218.40 × 409,657.60
  4. Step 4: Simplify right side
    462,145.60x = 283,982,186,019.84
  5. Step 5: Solve for x
    x = 283,982,186,019.84/462,145.60
  6. Step 6: Final answer
    x = 614,486.40

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