Home / 725,697.22-1,001,414.78-403,395.39

Finding the Fourth Proportional to 725,697.22, 1,001,414.78 and 403,395.39

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Solution

The fourth proportional to 725,697.22, 1,001,414.78 and 403,395.39 is: 556,659.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,697.22 : 1,001,414.78 = 403,395.39 : x
  2. Step 2: Convert to fraction form
    725,697.22/1,001,414.78 = 403,395.39/x
  3. Step 3: Cross multiply
    725,697.22x = 1,001,414.78 × 403,395.39
  4. Step 4: Simplify right side
    725,697.22x = 403,966,098,705.81
  5. Step 5: Solve for x
    x = 403,966,098,705.81/725,697.22
  6. Step 6: Final answer
    x = 556,659.29

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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.