Home / 725,779.94-1,001,578.38-403,494.98

Finding the Fourth Proportional to 725,779.94, 1,001,578.38 and 403,494.98

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Solution

The fourth proportional to 725,779.94, 1,001,578.38 and 403,494.98 is: 556,824.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,779.94 : 1,001,578.38 = 403,494.98 : x
  2. Step 2: Convert to fraction form
    725,779.94/1,001,578.38 = 403,494.98/x
  3. Step 3: Cross multiply
    725,779.94x = 1,001,578.38 × 403,494.98
  4. Step 4: Simplify right side
    725,779.94x = 404,131,848,406.53
  5. Step 5: Solve for x
    x = 404,131,848,406.53/725,779.94
  6. Step 6: Final answer
    x = 556,824.22

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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.