Home / 828,975.50-1,143,986.22-471,279.50

Finding the Fourth Proportional to 828,975.50, 1,143,986.22 and 471,279.50

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Solution

The fourth proportional to 828,975.50, 1,143,986.22 and 471,279.50 is: 650,365.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,975.50 : 1,143,986.22 = 471,279.50 : x
  2. Step 2: Convert to fraction form
    828,975.50/1,143,986.22 = 471,279.50/x
  3. Step 3: Cross multiply
    828,975.50x = 1,143,986.22 × 471,279.50
  4. Step 4: Simplify right side
    828,975.50x = 539,137,253,768.49
  5. Step 5: Solve for x
    x = 539,137,253,768.49/828,975.50
  6. Step 6: Final answer
    x = 650,365.73

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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.