Home / 1,018.24-1,526.93-324.73

Finding the Fourth Proportional to 1,018.24, 1,526.93 and 324.73

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Solution

The fourth proportional to 1,018.24, 1,526.93 and 324.73 is: 486.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018.24 : 1,526.93 = 324.73 : x
  2. Step 2: Convert to fraction form
    1,018.24/1,526.93 = 324.73/x
  3. Step 3: Cross multiply
    1,018.24x = 1,526.93 × 324.73
  4. Step 4: Simplify right side
    1,018.24x = 495,830.72
  5. Step 5: Solve for x
    x = 495,830.72/1,018.24
  6. Step 6: Final answer
    x = 486.95

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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.