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Finding the Fourth Proportional to 584,661.50, 806,832.87 and 316,389.50

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Solution

The fourth proportional to 584,661.50, 806,832.87 and 316,389.50 is: 436,617.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,661.50 : 806,832.87 = 316,389.50 : x
  2. Step 2: Convert to fraction form
    584,661.50/806,832.87 = 316,389.50/x
  3. Step 3: Cross multiply
    584,661.50x = 806,832.87 × 316,389.50
  4. Step 4: Simplify right side
    584,661.50x = 255,273,448,322.87
  5. Step 5: Solve for x
    x = 255,273,448,322.87/584,661.50
  6. Step 6: Final answer
    x = 436,617.51

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