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Finding the Fourth Proportional to 486,531.48, 729,499.10 and 171,024.60

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Solution

The fourth proportional to 486,531.48, 729,499.10 and 171,024.60 is: 256,432.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,531.48 : 729,499.10 = 171,024.60 : x
  2. Step 2: Convert to fraction form
    486,531.48/729,499.10 = 171,024.60/x
  3. Step 3: Cross multiply
    486,531.48x = 729,499.10 × 171,024.60
  4. Step 4: Simplify right side
    486,531.48x = 124,762,291,777.86
  5. Step 5: Solve for x
    x = 124,762,291,777.86/486,531.48
  6. Step 6: Final answer
    x = 256,432.11

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