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Finding the Fourth Proportional to 335,820.80, 503,731.20 and 292,080.80

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Solution

The fourth proportional to 335,820.80, 503,731.20 and 292,080.80 is: 438,121.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,820.80 : 503,731.20 = 292,080.80 : x
  2. Step 2: Convert to fraction form
    335,820.80/503,731.20 = 292,080.80/x
  3. Step 3: Cross multiply
    335,820.80x = 503,731.20 × 292,080.80
  4. Step 4: Simplify right side
    335,820.80x = 147,130,211,880.96
  5. Step 5: Solve for x
    x = 147,130,211,880.96/335,820.80
  6. Step 6: Final answer
    x = 438,121.20

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