Home / 414,926.20-622,389.30-408,705.40

Finding the Fourth Proportional to 414,926.20, 622,389.30 and 408,705.40

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Solution

The fourth proportional to 414,926.20, 622,389.30 and 408,705.40 is: 613,058.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,926.20 : 622,389.30 = 408,705.40 : x
  2. Step 2: Convert to fraction form
    414,926.20/622,389.30 = 408,705.40/x
  3. Step 3: Cross multiply
    414,926.20x = 622,389.30 × 408,705.40
  4. Step 4: Simplify right side
    414,926.20x = 254,373,867,812.22
  5. Step 5: Solve for x
    x = 254,373,867,812.22/414,926.20
  6. Step 6: Final answer
    x = 613,058.10

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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.