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Finding the Fourth Proportional to 656,914.95, 906,543.96 and 355,108.95

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Solution

The fourth proportional to 656,914.95, 906,543.96 and 355,108.95 is: 490,051.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,914.95 : 906,543.96 = 355,108.95 : x
  2. Step 2: Convert to fraction form
    656,914.95/906,543.96 = 355,108.95/x
  3. Step 3: Cross multiply
    656,914.95x = 906,543.96 × 355,108.95
  4. Step 4: Simplify right side
    656,914.95x = 321,921,873,764.44
  5. Step 5: Solve for x
    x = 321,921,873,764.44/656,914.95
  6. Step 6: Final answer
    x = 490,051.07

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