Home / 442,933.20-664,399.80-310,222.80

Finding the Fourth Proportional to 442,933.20, 664,399.80 and 310,222.80

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Solution

The fourth proportional to 442,933.20, 664,399.80 and 310,222.80 is: 465,334.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,933.20 : 664,399.80 = 310,222.80 : x
  2. Step 2: Convert to fraction form
    442,933.20/664,399.80 = 310,222.80/x
  3. Step 3: Cross multiply
    442,933.20x = 664,399.80 × 310,222.80
  4. Step 4: Simplify right side
    442,933.20x = 206,111,966,275.44
  5. Step 5: Solve for x
    x = 206,111,966,275.44/442,933.20
  6. Step 6: Final answer
    x = 465,334.20

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1.5x scale

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.