Home / 1,027.79-1,541.68-479.67

Finding the Fourth Proportional to 1,027.79, 1,541.68 and 479.67

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Solution

The fourth proportional to 1,027.79, 1,541.68 and 479.67 is: 719.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,027.79 : 1,541.68 = 479.67 : x
  2. Step 2: Convert to fraction form
    1,027.79/1,541.68 = 479.67/x
  3. Step 3: Cross multiply
    1,027.79x = 1,541.68 × 479.67
  4. Step 4: Simplify right side
    1,027.79x = 739,497.65
  5. Step 5: Solve for x
    x = 739,497.65/1,027.79
  6. Step 6: Final answer
    x = 719.50

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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.