Home / 414,724.64-622,419.12-215,102.24

Finding the Fourth Proportional to 414,724.64, 622,419.12 and 215,102.24

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Solution

The fourth proportional to 414,724.64, 622,419.12 and 215,102.24 is: 322,825.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,724.64 : 622,419.12 = 215,102.24 : x
  2. Step 2: Convert to fraction form
    414,724.64/622,419.12 = 215,102.24/x
  3. Step 3: Cross multiply
    414,724.64x = 622,419.12 × 215,102.24
  4. Step 4: Simplify right side
    414,724.64x = 133,883,746,930.83
  5. Step 5: Solve for x
    x = 133,883,746,930.83/414,724.64
  6. Step 6: Final answer
    x = 322,825.64

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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.