Home / 875,880.81-1,313,708.22-276,902.82

Finding the Fourth Proportional to 875,880.81, 1,313,708.22 and 276,902.82

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Solution

The fourth proportional to 875,880.81, 1,313,708.22 and 276,902.82 is: 415,318.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,880.81 : 1,313,708.22 = 276,902.82 : x
  2. Step 2: Convert to fraction form
    875,880.81/1,313,708.22 = 276,902.82/x
  3. Step 3: Cross multiply
    875,880.81x = 1,313,708.22 × 276,902.82
  4. Step 4: Simplify right side
    875,880.81x = 363,769,510,775.18
  5. Step 5: Solve for x
    x = 363,769,510,775.18/875,880.81
  6. Step 6: Final answer
    x = 415,318.51

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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.