Home / 720,416.98-1,081,183.29-271,546.21

Finding the Fourth Proportional to 720,416.98, 1,081,183.29 and 271,546.21

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Solution

The fourth proportional to 720,416.98, 1,081,183.29 and 271,546.21 is: 407,529.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,416.98 : 1,081,183.29 = 271,546.21 : x
  2. Step 2: Convert to fraction form
    720,416.98/1,081,183.29 = 271,546.21/x
  3. Step 3: Cross multiply
    720,416.98x = 1,081,183.29 × 271,546.21
  4. Step 4: Simplify right side
    720,416.98x = 293,591,224,714.83
  5. Step 5: Solve for x
    x = 293,591,224,714.83/720,416.98
  6. Step 6: Final answer
    x = 407,529.57

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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.