Home / 725,427.09-1,001,113.73-403,150.77

Finding the Fourth Proportional to 725,427.09, 1,001,113.73 and 403,150.77

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Solution

The fourth proportional to 725,427.09, 1,001,113.73 and 403,150.77 is: 556,361.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,427.09 : 1,001,113.73 = 403,150.77 : x
  2. Step 2: Convert to fraction form
    725,427.09/1,001,113.73 = 403,150.77/x
  3. Step 3: Cross multiply
    725,427.09x = 1,001,113.73 × 403,150.77
  4. Step 4: Simplify right side
    725,427.09x = 403,599,769,091.32
  5. Step 5: Solve for x
    x = 403,599,769,091.32/725,427.09
  6. Step 6: Final answer
    x = 556,361.59

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Double scale
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Similar ratio
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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.