Home / 1,025.70-1,416.21-633.27

Finding the Fourth Proportional to 1,025.70, 1,416.21 and 633.27

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Solution

The fourth proportional to 1,025.70, 1,416.21 and 633.27 is: 874.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025.70 : 1,416.21 = 633.27 : x
  2. Step 2: Convert to fraction form
    1,025.70/1,416.21 = 633.27/x
  3. Step 3: Cross multiply
    1,025.70x = 1,416.21 × 633.27
  4. Step 4: Simplify right side
    1,025.70x = 896,843.31
  5. Step 5: Solve for x
    x = 896,843.31/1,025.70
  6. Step 6: Final answer
    x = 874.37

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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.