Home / 827,855.80-1,142,451.29-501,164.47

Finding the Fourth Proportional to 827,855.80, 1,142,451.29 and 501,164.47

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Solution

The fourth proportional to 827,855.80, 1,142,451.29 and 501,164.47 is: 691,613.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,855.80 : 1,142,451.29 = 501,164.47 : x
  2. Step 2: Convert to fraction form
    827,855.80/1,142,451.29 = 501,164.47/x
  3. Step 3: Cross multiply
    827,855.80x = 1,142,451.29 × 501,164.47
  4. Step 4: Simplify right side
    827,855.80x = 572,555,993,650.45
  5. Step 5: Solve for x
    x = 572,555,993,650.45/827,855.80
  6. Step 6: Final answer
    x = 691,613.20

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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.