Home / 513,623.20-770,434.80-233,140.45

Finding the Fourth Proportional to 513,623.20, 770,434.80 and 233,140.45

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Solution

The fourth proportional to 513,623.20, 770,434.80 and 233,140.45 is: 349,710.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,623.20 : 770,434.80 = 233,140.45 : x
  2. Step 2: Convert to fraction form
    513,623.20/770,434.80 = 233,140.45/x
  3. Step 3: Cross multiply
    513,623.20x = 770,434.80 × 233,140.45
  4. Step 4: Simplify right side
    513,623.20x = 179,619,515,967.66
  5. Step 5: Solve for x
    x = 179,619,515,967.66/513,623.20
  6. Step 6: Final answer
    x = 349,710.68

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