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Finding the Fourth Proportional to 611,701.60, 917,552.40 and 162,421.60

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Solution

The fourth proportional to 611,701.60, 917,552.40 and 162,421.60 is: 243,632.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,701.60 : 917,552.40 = 162,421.60 : x
  2. Step 2: Convert to fraction form
    611,701.60/917,552.40 = 162,421.60/x
  3. Step 3: Cross multiply
    611,701.60x = 917,552.40 × 162,421.60
  4. Step 4: Simplify right side
    611,701.60x = 149,030,328,891.84
  5. Step 5: Solve for x
    x = 149,030,328,891.84/611,701.60
  6. Step 6: Final answer
    x = 243,632.40

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