Home / 725,408.36-1,001,069.06-403,148.68

Finding the Fourth Proportional to 725,408.36, 1,001,069.06 and 403,148.68

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Solution

The fourth proportional to 725,408.36, 1,001,069.06 and 403,148.68 is: 556,348.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,408.36 : 1,001,069.06 = 403,148.68 : x
  2. Step 2: Convert to fraction form
    725,408.36/1,001,069.06 = 403,148.68/x
  3. Step 3: Cross multiply
    725,408.36x = 1,001,069.06 × 403,148.68
  4. Step 4: Simplify right side
    725,408.36x = 403,579,670,127.84
  5. Step 5: Solve for x
    x = 403,579,670,127.84/725,408.36
  6. Step 6: Final answer
    x = 556,348.25

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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.