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Finding the Fourth Proportional to 572,506.29, 790,083.36 and 317,857.50

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Solution

The fourth proportional to 572,506.29, 790,083.36 and 317,857.50 is: 438,657.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,506.29 : 790,083.36 = 317,857.50 : x
  2. Step 2: Convert to fraction form
    572,506.29/790,083.36 = 317,857.50/x
  3. Step 3: Cross multiply
    572,506.29x = 790,083.36 × 317,857.50
  4. Step 4: Simplify right side
    572,506.29x = 251,133,921,601.20
  5. Step 5: Solve for x
    x = 251,133,921,601.20/572,506.29
  6. Step 6: Final answer
    x = 438,657.05

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