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Finding the Fourth Proportional to 674,674.12, 931,019.68 and 416,666.44

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Solution

The fourth proportional to 674,674.12, 931,019.68 and 416,666.44 is: 574,980.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,674.12 : 931,019.68 = 416,666.44 : x
  2. Step 2: Convert to fraction form
    674,674.12/931,019.68 = 416,666.44/x
  3. Step 3: Cross multiply
    674,674.12x = 931,019.68 × 416,666.44
  4. Step 4: Simplify right side
    674,674.12x = 387,924,655,635.54
  5. Step 5: Solve for x
    x = 387,924,655,635.54/674,674.12
  6. Step 6: Final answer
    x = 574,980.79

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