Home / 484,921.96-669,144.27-270,081.97

Finding the Fourth Proportional to 484,921.96, 669,144.27 and 270,081.97

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Solution

The fourth proportional to 484,921.96, 669,144.27 and 270,081.97 is: 372,686.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,921.96 : 669,144.27 = 270,081.97 : x
  2. Step 2: Convert to fraction form
    484,921.96/669,144.27 = 270,081.97/x
  3. Step 3: Cross multiply
    484,921.96x = 669,144.27 × 270,081.97
  4. Step 4: Simplify right side
    484,921.96x = 180,723,802,655.81
  5. Step 5: Solve for x
    x = 180,723,802,655.81/484,921.96
  6. Step 6: Final answer
    x = 372,686.37

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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.