Home / 481,532.46-664,184.79-330,367.02

Finding the Fourth Proportional to 481,532.46, 664,184.79 and 330,367.02

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Solution

The fourth proportional to 481,532.46, 664,184.79 and 330,367.02 is: 455,680.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,532.46 : 664,184.79 = 330,367.02 : x
  2. Step 2: Convert to fraction form
    481,532.46/664,184.79 = 330,367.02/x
  3. Step 3: Cross multiply
    481,532.46x = 664,184.79 × 330,367.02
  4. Step 4: Simplify right side
    481,532.46x = 219,424,749,801.63
  5. Step 5: Solve for x
    x = 219,424,749,801.63/481,532.46
  6. Step 6: Final answer
    x = 455,680.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.