Home / 751,295.92-1,036,786.38-407,141.44

Finding the Fourth Proportional to 751,295.92, 1,036,786.38 and 407,141.44

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Solution

The fourth proportional to 751,295.92, 1,036,786.38 and 407,141.44 is: 561,854.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,295.92 : 1,036,786.38 = 407,141.44 : x
  2. Step 2: Convert to fraction form
    751,295.92/1,036,786.38 = 407,141.44/x
  3. Step 3: Cross multiply
    751,295.92x = 1,036,786.38 × 407,141.44
  4. Step 4: Simplify right side
    751,295.92x = 422,118,699,725.59
  5. Step 5: Solve for x
    x = 422,118,699,725.59/751,295.92
  6. Step 6: Final answer
    x = 561,854.11

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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.