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Finding the Fourth Proportional to 545,869.40, 818,804.10 and 190,846.40

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Solution

The fourth proportional to 545,869.40, 818,804.10 and 190,846.40 is: 286,269.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,869.40 : 818,804.10 = 190,846.40 : x
  2. Step 2: Convert to fraction form
    545,869.40/818,804.10 = 190,846.40/x
  3. Step 3: Cross multiply
    545,869.40x = 818,804.10 × 190,846.40
  4. Step 4: Simplify right side
    545,869.40x = 156,265,814,790.24
  5. Step 5: Solve for x
    x = 156,265,814,790.24/545,869.40
  6. Step 6: Final answer
    x = 286,269.60

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