Home / 887,856.22-1,331,796.63-288,820.52

Finding the Fourth Proportional to 887,856.22, 1,331,796.63 and 288,820.52

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Solution

The fourth proportional to 887,856.22, 1,331,796.63 and 288,820.52 is: 433,234.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,856.22 : 1,331,796.63 = 288,820.52 : x
  2. Step 2: Convert to fraction form
    887,856.22/1,331,796.63 = 288,820.52/x
  3. Step 3: Cross multiply
    887,856.22x = 1,331,796.63 × 288,820.52
  4. Step 4: Simplify right side
    887,856.22x = 384,650,194,629.18
  5. Step 5: Solve for x
    x = 384,650,194,629.18/887,856.22
  6. Step 6: Final answer
    x = 433,234.78

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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.