Home / 725,764.75-1,001,589.53-403,480.22

Finding the Fourth Proportional to 725,764.75, 1,001,589.53 and 403,480.22

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Solution

The fourth proportional to 725,764.75, 1,001,589.53 and 403,480.22 is: 556,821.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,764.75 : 1,001,589.53 = 403,480.22 : x
  2. Step 2: Convert to fraction form
    725,764.75/1,001,589.53 = 403,480.22/x
  3. Step 3: Cross multiply
    725,764.75x = 1,001,589.53 × 403,480.22
  4. Step 4: Simplify right side
    725,764.75x = 404,121,563,914.10
  5. Step 5: Solve for x
    x = 404,121,563,914.10/725,764.75
  6. Step 6: Final answer
    x = 556,821.70

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Double scale
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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.