Home / 842,284.56-1,263,558.06-505,246.02

Finding the Fourth Proportional to 842,284.56, 1,263,558.06 and 505,246.02

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Solution

The fourth proportional to 842,284.56, 1,263,558.06 and 505,246.02 is: 757,947.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,284.56 : 1,263,558.06 = 505,246.02 : x
  2. Step 2: Convert to fraction form
    842,284.56/1,263,558.06 = 505,246.02/x
  3. Step 3: Cross multiply
    842,284.56x = 1,263,558.06 × 505,246.02
  4. Step 4: Simplify right side
    842,284.56x = 638,407,680,853.92
  5. Step 5: Solve for x
    x = 638,407,680,853.92/842,284.56
  6. Step 6: Final answer
    x = 757,947.74

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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.