Home / 725,664.08-1,001,578.92-403,487.12

Finding the Fourth Proportional to 725,664.08, 1,001,578.92 and 403,487.12

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Solution

The fourth proportional to 725,664.08, 1,001,578.92 and 403,487.12 is: 556,902.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,664.08 : 1,001,578.92 = 403,487.12 : x
  2. Step 2: Convert to fraction form
    725,664.08/1,001,578.92 = 403,487.12/x
  3. Step 3: Cross multiply
    725,664.08x = 1,001,578.92 × 403,487.12
  4. Step 4: Simplify right side
    725,664.08x = 404,124,193,883.51
  5. Step 5: Solve for x
    x = 404,124,193,883.51/725,664.08
  6. Step 6: Final answer
    x = 556,902.57

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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.