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Finding the Fourth Proportional to 526,223.80, 788,817.30 and 260,025.40

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Solution

The fourth proportional to 526,223.80, 788,817.30 and 260,025.40 is: 389,781.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,223.80 : 788,817.30 = 260,025.40 : x
  2. Step 2: Convert to fraction form
    526,223.80/788,817.30 = 260,025.40/x
  3. Step 3: Cross multiply
    526,223.80x = 788,817.30 × 260,025.40
  4. Step 4: Simplify right side
    526,223.80x = 205,112,533,959.42
  5. Step 5: Solve for x
    x = 205,112,533,959.42/526,223.80
  6. Step 6: Final answer
    x = 389,781.94

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