Home / 751,822.32-1,127,558.91-448,301.22

Finding the Fourth Proportional to 751,822.32, 1,127,558.91 and 448,301.22

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Solution

The fourth proportional to 751,822.32, 1,127,558.91 and 448,301.22 is: 672,347.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,822.32 : 1,127,558.91 = 448,301.22 : x
  2. Step 2: Convert to fraction form
    751,822.32/1,127,558.91 = 448,301.22/x
  3. Step 3: Cross multiply
    751,822.32x = 1,127,558.91 × 448,301.22
  4. Step 4: Simplify right side
    751,822.32x = 505,486,032,427.65
  5. Step 5: Solve for x
    x = 505,486,032,427.65/751,822.32
  6. Step 6: Final answer
    x = 672,347.73

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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.