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Finding the Fourth Proportional to 563,068.04, 777,034.08 and 308,428.40

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Solution

The fourth proportional to 563,068.04, 777,034.08 and 308,428.40 is: 425,631.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,068.04 : 777,034.08 = 308,428.40 : x
  2. Step 2: Convert to fraction form
    563,068.04/777,034.08 = 308,428.40/x
  3. Step 3: Cross multiply
    563,068.04x = 777,034.08 × 308,428.40
  4. Step 4: Simplify right side
    563,068.04x = 239,659,378,039.87
  5. Step 5: Solve for x
    x = 239,659,378,039.87/563,068.04
  6. Step 6: Final answer
    x = 425,631.29

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