Home / 725,860.08-1,001,629.92-403,550.40

Finding the Fourth Proportional to 725,860.08, 1,001,629.92 and 403,550.40

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Solution

The fourth proportional to 725,860.08, 1,001,629.92 and 403,550.40 is: 556,867.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,860.08 : 1,001,629.92 = 403,550.40 : x
  2. Step 2: Convert to fraction form
    725,860.08/1,001,629.92 = 403,550.40/x
  3. Step 3: Cross multiply
    725,860.08x = 1,001,629.92 × 403,550.40
  4. Step 4: Simplify right side
    725,860.08x = 404,208,154,867.97
  5. Step 5: Solve for x
    x = 404,208,154,867.97/725,860.08
  6. Step 6: Final answer
    x = 556,867.87

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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.