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Finding the Fourth Proportional to 520,239.68, 780,421.98 and 183,210.62

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Solution

The fourth proportional to 520,239.68, 780,421.98 and 183,210.62 is: 274,837.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,239.68 : 780,421.98 = 183,210.62 : x
  2. Step 2: Convert to fraction form
    520,239.68/780,421.98 = 183,210.62/x
  3. Step 3: Cross multiply
    520,239.68x = 780,421.98 × 183,210.62
  4. Step 4: Simplify right side
    520,239.68x = 142,981,594,817.43
  5. Step 5: Solve for x
    x = 142,981,594,817.43/520,239.68
  6. Step 6: Final answer
    x = 274,837.93

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