Home / 929,519.74-1,394,082.78-298,285.93

Finding the Fourth Proportional to 929,519.74, 1,394,082.78 and 298,285.93

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Solution

The fourth proportional to 929,519.74, 1,394,082.78 and 298,285.93 is: 447,365.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,519.74 : 1,394,082.78 = 298,285.93 : x
  2. Step 2: Convert to fraction form
    929,519.74/1,394,082.78 = 298,285.93/x
  3. Step 3: Cross multiply
    929,519.74x = 1,394,082.78 × 298,285.93
  4. Step 4: Simplify right side
    929,519.74x = 415,835,278,529.29
  5. Step 5: Solve for x
    x = 415,835,278,529.29/929,519.74
  6. Step 6: Final answer
    x = 447,365.73

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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.