Home / 736,778.31-1,105,163.82-636,633.76

Finding the Fourth Proportional to 736,778.31, 1,105,163.82 and 636,633.76

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Solution

The fourth proportional to 736,778.31, 1,105,163.82 and 636,633.76 is: 954,947.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,778.31 : 1,105,163.82 = 636,633.76 : x
  2. Step 2: Convert to fraction form
    736,778.31/1,105,163.82 = 636,633.76/x
  3. Step 3: Cross multiply
    736,778.31x = 1,105,163.82 × 636,633.76
  4. Step 4: Simplify right side
    736,778.31x = 703,584,598,142.56
  5. Step 5: Solve for x
    x = 703,584,598,142.56/736,778.31
  6. Step 6: Final answer
    x = 954,947.49

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1.5x scale

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.