Home / 1,027.08-1,541.14-479.14

Finding the Fourth Proportional to 1,027.08, 1,541.14 and 479.14

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Solution

The fourth proportional to 1,027.08, 1,541.14 and 479.14 is: 718.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,027.08 : 1,541.14 = 479.14 : x
  2. Step 2: Convert to fraction form
    1,027.08/1,541.14 = 479.14/x
  3. Step 3: Cross multiply
    1,027.08x = 1,541.14 × 479.14
  4. Step 4: Simplify right side
    1,027.08x = 738,421.82
  5. Step 5: Solve for x
    x = 738,421.82/1,027.08
  6. Step 6: Final answer
    x = 718.95

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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.