Home / 814,257.98-1,220,141.44-435,232.65

Finding the Fourth Proportional to 814,257.98, 1,220,141.44 and 435,232.65

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Solution

The fourth proportional to 814,257.98, 1,220,141.44 and 435,232.65 is: 652,183.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,257.98 : 1,220,141.44 = 435,232.65 : x
  2. Step 2: Convert to fraction form
    814,257.98/1,220,141.44 = 435,232.65/x
  3. Step 3: Cross multiply
    814,257.98x = 1,220,141.44 × 435,232.65
  4. Step 4: Simplify right side
    814,257.98x = 531,045,392,306.02
  5. Step 5: Solve for x
    x = 531,045,392,306.02/814,257.98
  6. Step 6: Final answer
    x = 652,183.22

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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.