Home / 827,856.18-1,142,451.81-501,164.84

Finding the Fourth Proportional to 827,856.18, 1,142,451.81 and 501,164.84

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Solution

The fourth proportional to 827,856.18, 1,142,451.81 and 501,164.84 is: 691,613.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,856.18 : 1,142,451.81 = 501,164.84 : x
  2. Step 2: Convert to fraction form
    827,856.18/1,142,451.81 = 501,164.84/x
  3. Step 3: Cross multiply
    827,856.18x = 1,142,451.81 × 501,164.84
  4. Step 4: Simplify right side
    827,856.18x = 572,556,681,422.49
  5. Step 5: Solve for x
    x = 572,556,681,422.49/827,856.18
  6. Step 6: Final answer
    x = 691,613.71

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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.