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Finding the Fourth Proportional to 660,979.40, 912,149.16 and 374,554.22

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Solution

The fourth proportional to 660,979.40, 912,149.16 and 374,554.22 is: 516,883.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,979.40 : 912,149.16 = 374,554.22 : x
  2. Step 2: Convert to fraction form
    660,979.40/912,149.16 = 374,554.22/x
  3. Step 3: Cross multiply
    660,979.40x = 912,149.16 × 374,554.22
  4. Step 4: Simplify right side
    660,979.40x = 341,649,317,147.46
  5. Step 5: Solve for x
    x = 341,649,317,147.46/660,979.40
  6. Step 6: Final answer
    x = 516,883.46

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