Home / 809,258.28-1,116,609.72-465,027.72

Finding the Fourth Proportional to 809,258.28, 1,116,609.72 and 465,027.72

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Solution

The fourth proportional to 809,258.28, 1,116,609.72 and 465,027.72 is: 641,642.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,258.28 : 1,116,609.72 = 465,027.72 : x
  2. Step 2: Convert to fraction form
    809,258.28/1,116,609.72 = 465,027.72/x
  3. Step 3: Cross multiply
    809,258.28x = 1,116,609.72 × 465,027.72
  4. Step 4: Simplify right side
    809,258.28x = 519,254,472,221.44
  5. Step 5: Solve for x
    x = 519,254,472,221.44/809,258.28
  6. Step 6: Final answer
    x = 641,642.46

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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.