Home / 816,378.41-1,224,570.25-247,764.35

Finding the Fourth Proportional to 816,378.41, 1,224,570.25 and 247,764.35

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Solution

The fourth proportional to 816,378.41, 1,224,570.25 and 247,764.35 is: 371,647.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,378.41 : 1,224,570.25 = 247,764.35 : x
  2. Step 2: Convert to fraction form
    816,378.41/1,224,570.25 = 247,764.35/x
  3. Step 3: Cross multiply
    816,378.41x = 1,224,570.25 × 247,764.35
  4. Step 4: Simplify right side
    816,378.41x = 303,404,855,391.72
  5. Step 5: Solve for x
    x = 303,404,855,391.72/816,378.41
  6. Step 6: Final answer
    x = 371,647.33

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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.