Home / 855.24-1,180.23-462.26

Finding the Fourth Proportional to 855.24, 1,180.23 and 462.26

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Solution

The fourth proportional to 855.24, 1,180.23 and 462.26 is: 637.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    855.24 : 1,180.23 = 462.26 : x
  2. Step 2: Convert to fraction form
    855.24/1,180.23 = 462.26/x
  3. Step 3: Cross multiply
    855.24x = 1,180.23 × 462.26
  4. Step 4: Simplify right side
    855.24x = 545,569.91
  5. Step 5: Solve for x
    x = 545,569.91/855.24
  6. Step 6: Final answer
    x = 637.92

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1.5x scale

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.