Home / 748,676.26-1,033,173.66-409,144.48

Finding the Fourth Proportional to 748,676.26, 1,033,173.66 and 409,144.48

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Solution

The fourth proportional to 748,676.26, 1,033,173.66 and 409,144.48 is: 564,619.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,676.26 : 1,033,173.66 = 409,144.48 : x
  2. Step 2: Convert to fraction form
    748,676.26/1,033,173.66 = 409,144.48/x
  3. Step 3: Cross multiply
    748,676.26x = 1,033,173.66 × 409,144.48
  4. Step 4: Simplify right side
    748,676.26x = 422,717,299,870.40
  5. Step 5: Solve for x
    x = 422,717,299,870.40/748,676.26
  6. Step 6: Final answer
    x = 564,619.61

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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.