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Finding the Fourth Proportional to 665,494.08, 918,379.80 and 363,688.08

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Solution

The fourth proportional to 665,494.08, 918,379.80 and 363,688.08 is: 501,888.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,494.08 : 918,379.80 = 363,688.08 : x
  2. Step 2: Convert to fraction form
    665,494.08/918,379.80 = 363,688.08/x
  3. Step 3: Cross multiply
    665,494.08x = 918,379.80 × 363,688.08
  4. Step 4: Simplify right side
    665,494.08x = 334,003,786,172.78
  5. Step 5: Solve for x
    x = 334,003,786,172.78/665,494.08
  6. Step 6: Final answer
    x = 501,888.44

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