Home / 806,027.25-1,112,317.56-443,443.32

Finding the Fourth Proportional to 806,027.25, 1,112,317.56 and 443,443.32

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Solution

The fourth proportional to 806,027.25, 1,112,317.56 and 443,443.32 is: 611,951.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,027.25 : 1,112,317.56 = 443,443.32 : x
  2. Step 2: Convert to fraction form
    806,027.25/1,112,317.56 = 443,443.32/x
  3. Step 3: Cross multiply
    806,027.25x = 1,112,317.56 × 443,443.32
  4. Step 4: Simplify right side
    806,027.25x = 493,249,791,700.70
  5. Step 5: Solve for x
    x = 493,249,791,700.70/806,027.25
  6. Step 6: Final answer
    x = 611,951.76

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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.