Home / 969,738.12-1,338,152.82-561,709.48

Finding the Fourth Proportional to 969,738.12, 1,338,152.82 and 561,709.48

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Solution

The fourth proportional to 969,738.12, 1,338,152.82 and 561,709.48 is: 775,109.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,738.12 : 1,338,152.82 = 561,709.48 : x
  2. Step 2: Convert to fraction form
    969,738.12/1,338,152.82 = 561,709.48/x
  3. Step 3: Cross multiply
    969,738.12x = 1,338,152.82 × 561,709.48
  4. Step 4: Simplify right side
    969,738.12x = 751,653,124,682.73
  5. Step 5: Solve for x
    x = 751,653,124,682.73/969,738.12
  6. Step 6: Final answer
    x = 775,109.39

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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.