Home / 753,183.18-1,039,388.77-409,016.10

Finding the Fourth Proportional to 753,183.18, 1,039,388.77 and 409,016.10

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Solution

The fourth proportional to 753,183.18, 1,039,388.77 and 409,016.10 is: 564,440.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,183.18 : 1,039,388.77 = 409,016.10 : x
  2. Step 2: Convert to fraction form
    753,183.18/1,039,388.77 = 409,016.10/x
  3. Step 3: Cross multiply
    753,183.18x = 1,039,388.77 × 409,016.10
  4. Step 4: Simplify right side
    753,183.18x = 425,126,741,089.20
  5. Step 5: Solve for x
    x = 425,126,741,089.20/753,183.18
  6. Step 6: Final answer
    x = 564,440.04

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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.