Home / 442,936.80-664,405.20-302,968.80

Finding the Fourth Proportional to 442,936.80, 664,405.20 and 302,968.80

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Solution

The fourth proportional to 442,936.80, 664,405.20 and 302,968.80 is: 454,453.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,936.80 : 664,405.20 = 302,968.80 : x
  2. Step 2: Convert to fraction form
    442,936.80/664,405.20 = 302,968.80/x
  3. Step 3: Cross multiply
    442,936.80x = 664,405.20 × 302,968.80
  4. Step 4: Simplify right side
    442,936.80x = 201,294,046,157.76
  5. Step 5: Solve for x
    x = 201,294,046,157.76/442,936.80
  6. Step 6: Final answer
    x = 454,453.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.