Home / 810,837.26-1,118,769.77-484,086.68

Finding the Fourth Proportional to 810,837.26, 1,118,769.77 and 484,086.68

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Solution

The fourth proportional to 810,837.26, 1,118,769.77 and 484,086.68 is: 667,928.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,837.26 : 1,118,769.77 = 484,086.68 : x
  2. Step 2: Convert to fraction form
    810,837.26/1,118,769.77 = 484,086.68/x
  3. Step 3: Cross multiply
    810,837.26x = 1,118,769.77 × 484,086.68
  4. Step 4: Simplify right side
    810,837.26x = 541,581,535,629.38
  5. Step 5: Solve for x
    x = 541,581,535,629.38/810,837.26
  6. Step 6: Final answer
    x = 667,928.77

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1.5x scale

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.