Home / 725,786.62-1,001,528.78-403,477.10

Finding the Fourth Proportional to 725,786.62, 1,001,528.78 and 403,477.10

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Solution

The fourth proportional to 725,786.62, 1,001,528.78 and 403,477.10 is: 556,766.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,786.62 : 1,001,528.78 = 403,477.10 : x
  2. Step 2: Convert to fraction form
    725,786.62/1,001,528.78 = 403,477.10/x
  3. Step 3: Cross multiply
    725,786.62x = 1,001,528.78 × 403,477.10
  4. Step 4: Simplify right side
    725,786.62x = 404,093,927,720.94
  5. Step 5: Solve for x
    x = 404,093,927,720.94/725,786.62
  6. Step 6: Final answer
    x = 556,766.85

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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.