Home / 1,026.67-1,541.37-479.23

Finding the Fourth Proportional to 1,026.67, 1,541.37 and 479.23

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Solution

The fourth proportional to 1,026.67, 1,541.37 and 479.23 is: 719.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026.67 : 1,541.37 = 479.23 : x
  2. Step 2: Convert to fraction form
    1,026.67/1,541.37 = 479.23/x
  3. Step 3: Cross multiply
    1,026.67x = 1,541.37 × 479.23
  4. Step 4: Simplify right side
    1,026.67x = 738,670.75
  5. Step 5: Solve for x
    x = 738,670.75/1,026.67
  6. Step 6: Final answer
    x = 719.48

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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.