Home / 809,671.74-1,213,178.28-276,902.10

Finding the Fourth Proportional to 809,671.74, 1,213,178.28 and 276,902.10

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Solution

The fourth proportional to 809,671.74, 1,213,178.28 and 276,902.10 is: 414,898.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,671.74 : 1,213,178.28 = 276,902.10 : x
  2. Step 2: Convert to fraction form
    809,671.74/1,213,178.28 = 276,902.10/x
  3. Step 3: Cross multiply
    809,671.74x = 1,213,178.28 × 276,902.10
  4. Step 4: Simplify right side
    809,671.74x = 335,931,613,406.39
  5. Step 5: Solve for x
    x = 335,931,613,406.39/809,671.74
  6. Step 6: Final answer
    x = 414,898.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.