Home / 724,375.98-1,086,569.28-274,975.74

Finding the Fourth Proportional to 724,375.98, 1,086,569.28 and 274,975.74

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Solution

The fourth proportional to 724,375.98, 1,086,569.28 and 274,975.74 is: 412,465.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,375.98 : 1,086,569.28 = 274,975.74 : x
  2. Step 2: Convert to fraction form
    724,375.98/1,086,569.28 = 274,975.74/x
  3. Step 3: Cross multiply
    724,375.98x = 1,086,569.28 × 274,975.74
  4. Step 4: Simplify right side
    724,375.98x = 298,780,191,829.27
  5. Step 5: Solve for x
    x = 298,780,191,829.27/724,375.98
  6. Step 6: Final answer
    x = 412,465.63

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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.