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Finding the Fourth Proportional to 674,389.26, 930,646.31 and 368,459.07

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Solution

The fourth proportional to 674,389.26, 930,646.31 and 368,459.07 is: 508,467.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,389.26 : 930,646.31 = 368,459.07 : x
  2. Step 2: Convert to fraction form
    674,389.26/930,646.31 = 368,459.07/x
  3. Step 3: Cross multiply
    674,389.26x = 930,646.31 × 368,459.07
  4. Step 4: Simplify right side
    674,389.26x = 342,905,073,881.53
  5. Step 5: Solve for x
    x = 342,905,073,881.53/674,389.26
  6. Step 6: Final answer
    x = 508,467.58

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