Home / 414,303.28-621,007.26-200,619.76

Finding the Fourth Proportional to 414,303.28, 621,007.26 and 200,619.76

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Solution

The fourth proportional to 414,303.28, 621,007.26 and 200,619.76 is: 300,712.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,303.28 : 621,007.26 = 200,619.76 : x
  2. Step 2: Convert to fraction form
    414,303.28/621,007.26 = 200,619.76/x
  3. Step 3: Cross multiply
    414,303.28x = 621,007.26 × 200,619.76
  4. Step 4: Simplify right side
    414,303.28x = 124,586,327,459.46
  5. Step 5: Solve for x
    x = 124,586,327,459.46/414,303.28
  6. Step 6: Final answer
    x = 300,712.87

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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.