Home / 1,014.24-1,520.76-355.80

Finding the Fourth Proportional to 1,014.24, 1,520.76 and 355.80

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Solution

The fourth proportional to 1,014.24, 1,520.76 and 355.80 is: 533.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,014.24 : 1,520.76 = 355.80 : x
  2. Step 2: Convert to fraction form
    1,014.24/1,520.76 = 355.80/x
  3. Step 3: Cross multiply
    1,014.24x = 1,520.76 × 355.80
  4. Step 4: Simplify right side
    1,014.24x = 541,086.41
  5. Step 5: Solve for x
    x = 541,086.41/1,014.24
  6. Step 6: Final answer
    x = 533.49

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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.