Home / 725,751.78-1,001,571.64-403,467.25

Finding the Fourth Proportional to 725,751.78, 1,001,571.64 and 403,467.25

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Solution

The fourth proportional to 725,751.78, 1,001,571.64 and 403,467.25 is: 556,803.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,751.78 : 1,001,571.64 = 403,467.25 : x
  2. Step 2: Convert to fraction form
    725,751.78/1,001,571.64 = 403,467.25/x
  3. Step 3: Cross multiply
    725,751.78x = 1,001,571.64 × 403,467.25
  4. Step 4: Simplify right side
    725,751.78x = 404,101,355,268.79
  5. Step 5: Solve for x
    x = 404,101,355,268.79/725,751.78
  6. Step 6: Final answer
    x = 556,803.81

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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.