Home / 725,305.29-1,000,903.11-403,016.22

Finding the Fourth Proportional to 725,305.29, 1,000,903.11 and 403,016.22

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Solution

The fourth proportional to 725,305.29, 1,000,903.11 and 403,016.22 is: 556,152.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,305.29 : 1,000,903.11 = 403,016.22 : x
  2. Step 2: Convert to fraction form
    725,305.29/1,000,903.11 = 403,016.22/x
  3. Step 3: Cross multiply
    725,305.29x = 1,000,903.11 × 403,016.22
  4. Step 4: Simplify right side
    725,305.29x = 403,380,187,978.44
  5. Step 5: Solve for x
    x = 403,380,187,978.44/725,305.29
  6. Step 6: Final answer
    x = 556,152.28

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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.