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Finding the Fourth Proportional to 348,021.20, 522,031.80 and 297,282.80

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Solution

The fourth proportional to 348,021.20, 522,031.80 and 297,282.80 is: 445,924.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,021.20 : 522,031.80 = 297,282.80 : x
  2. Step 2: Convert to fraction form
    348,021.20/522,031.80 = 297,282.80/x
  3. Step 3: Cross multiply
    348,021.20x = 522,031.80 × 297,282.80
  4. Step 4: Simplify right side
    348,021.20x = 155,191,075,193.04
  5. Step 5: Solve for x
    x = 155,191,075,193.04/348,021.20
  6. Step 6: Final answer
    x = 445,924.20

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