Home / 808,905.75-1,116,313.30-446,352.96

Finding the Fourth Proportional to 808,905.75, 1,116,313.30 and 446,352.96

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Solution

The fourth proportional to 808,905.75, 1,116,313.30 and 446,352.96 is: 615,979.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,905.75 : 1,116,313.30 = 446,352.96 : x
  2. Step 2: Convert to fraction form
    808,905.75/1,116,313.30 = 446,352.96/x
  3. Step 3: Cross multiply
    808,905.75x = 1,116,313.30 × 446,352.96
  4. Step 4: Simplify right side
    808,905.75x = 498,269,745,742.37
  5. Step 5: Solve for x
    x = 498,269,745,742.37/808,905.75
  6. Step 6: Final answer
    x = 615,979.98

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1.5x scale

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.