Home / 1,036.18-1,552.45-480.32

Finding the Fourth Proportional to 1,036.18, 1,552.45 and 480.32

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Solution

The fourth proportional to 1,036.18, 1,552.45 and 480.32 is: 719.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036.18 : 1,552.45 = 480.32 : x
  2. Step 2: Convert to fraction form
    1,036.18/1,552.45 = 480.32/x
  3. Step 3: Cross multiply
    1,036.18x = 1,552.45 × 480.32
  4. Step 4: Simplify right side
    1,036.18x = 745,672.78
  5. Step 5: Solve for x
    x = 745,672.78/1,036.18
  6. Step 6: Final answer
    x = 719.64

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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.