Home / 805,142.82-1,110,633.80-482,665.56

Finding the Fourth Proportional to 805,142.82, 1,110,633.80 and 482,665.56

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Solution

The fourth proportional to 805,142.82, 1,110,633.80 and 482,665.56 is: 665,800.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,142.82 : 1,110,633.80 = 482,665.56 : x
  2. Step 2: Convert to fraction form
    805,142.82/1,110,633.80 = 482,665.56/x
  3. Step 3: Cross multiply
    805,142.82x = 1,110,633.80 × 482,665.56
  4. Step 4: Simplify right side
    805,142.82x = 536,064,682,618.60
  5. Step 5: Solve for x
    x = 536,064,682,618.60/805,142.82
  6. Step 6: Final answer
    x = 665,800.74

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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.