Home / 725,016.21-1,000,361.30-438,530.14

Finding the Fourth Proportional to 725,016.21, 1,000,361.30 and 438,530.14

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Solution

The fourth proportional to 725,016.21, 1,000,361.30 and 438,530.14 is: 605,074.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,016.21 : 1,000,361.30 = 438,530.14 : x
  2. Step 2: Convert to fraction form
    725,016.21/1,000,361.30 = 438,530.14/x
  3. Step 3: Cross multiply
    725,016.21x = 1,000,361.30 × 438,530.14
  4. Step 4: Simplify right side
    725,016.21x = 438,688,580,939.58
  5. Step 5: Solve for x
    x = 438,688,580,939.58/725,016.21
  6. Step 6: Final answer
    x = 605,074.17

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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.