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Finding the Fourth Proportional to 572,525.20, 858,053.40 and 319,805.20

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Solution

The fourth proportional to 572,525.20, 858,053.40 and 319,805.20 is: 479,297.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,525.20 : 858,053.40 = 319,805.20 : x
  2. Step 2: Convert to fraction form
    572,525.20/858,053.40 = 319,805.20/x
  3. Step 3: Cross multiply
    572,525.20x = 858,053.40 × 319,805.20
  4. Step 4: Simplify right side
    572,525.20x = 274,409,939,197.68
  5. Step 5: Solve for x
    x = 274,409,939,197.68/572,525.20
  6. Step 6: Final answer
    x = 479,297.57

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