Home / 810,869.82-1,119,177.99-471,533.82

Finding the Fourth Proportional to 810,869.82, 1,119,177.99 and 471,533.82

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Solution

The fourth proportional to 810,869.82, 1,119,177.99 and 471,533.82 is: 650,819.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,869.82 : 1,119,177.99 = 471,533.82 : x
  2. Step 2: Convert to fraction form
    810,869.82/1,119,177.99 = 471,533.82/x
  3. Step 3: Cross multiply
    810,869.82x = 1,119,177.99 × 471,533.82
  4. Step 4: Simplify right side
    810,869.82x = 527,730,272,884.62
  5. Step 5: Solve for x
    x = 527,730,272,884.62/810,869.82
  6. Step 6: Final answer
    x = 650,819.97

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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.