Home / 725,422.84-1,001,107.84-403,146.52

Finding the Fourth Proportional to 725,422.84, 1,001,107.84 and 403,146.52

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Solution

The fourth proportional to 725,422.84, 1,001,107.84 and 403,146.52 is: 556,355.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,422.84 : 1,001,107.84 = 403,146.52 : x
  2. Step 2: Convert to fraction form
    725,422.84/1,001,107.84 = 403,146.52/x
  3. Step 3: Cross multiply
    725,422.84x = 1,001,107.84 × 403,146.52
  4. Step 4: Simplify right side
    725,422.84x = 403,593,141,840.72
  5. Step 5: Solve for x
    x = 403,593,141,840.72/725,422.84
  6. Step 6: Final answer
    x = 556,355.71

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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.