Home / 579,920.53-869,166.91-276,474.55

Finding the Fourth Proportional to 579,920.53, 869,166.91 and 276,474.55

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Solution

The fourth proportional to 579,920.53, 869,166.91 and 276,474.55 is: 414,371.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,920.53 : 869,166.91 = 276,474.55 : x
  2. Step 2: Convert to fraction form
    579,920.53/869,166.91 = 276,474.55/x
  3. Step 3: Cross multiply
    579,920.53x = 869,166.91 × 276,474.55
  4. Step 4: Simplify right side
    579,920.53x = 240,302,530,317.14
  5. Step 5: Solve for x
    x = 240,302,530,317.14/579,920.53
  6. Step 6: Final answer
    x = 414,371.48

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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.