Home / 725,203.28-1,087,800.36-281,971.28

Finding the Fourth Proportional to 725,203.28, 1,087,800.36 and 281,971.28

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Solution

The fourth proportional to 725,203.28, 1,087,800.36 and 281,971.28 is: 422,955.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,203.28 : 1,087,800.36 = 281,971.28 : x
  2. Step 2: Convert to fraction form
    725,203.28/1,087,800.36 = 281,971.28/x
  3. Step 3: Cross multiply
    725,203.28x = 1,087,800.36 × 281,971.28
  4. Step 4: Simplify right side
    725,203.28x = 306,728,459,893.66
  5. Step 5: Solve for x
    x = 306,728,459,893.66/725,203.28
  6. Step 6: Final answer
    x = 422,955.15

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.