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Finding the Fourth Proportional to 475,393.80, 713,090.70 and 369,640.20

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Solution

The fourth proportional to 475,393.80, 713,090.70 and 369,640.20 is: 554,460.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,393.80 : 713,090.70 = 369,640.20 : x
  2. Step 2: Convert to fraction form
    475,393.80/713,090.70 = 369,640.20/x
  3. Step 3: Cross multiply
    475,393.80x = 713,090.70 × 369,640.20
  4. Step 4: Simplify right side
    475,393.80x = 263,586,988,966.14
  5. Step 5: Solve for x
    x = 263,586,988,966.14/475,393.80
  6. Step 6: Final answer
    x = 554,460.30

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