Home / 887,156.28-1,331,261.46-326,584.44

Finding the Fourth Proportional to 887,156.28, 1,331,261.46 and 326,584.44

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Solution

The fourth proportional to 887,156.28, 1,331,261.46 and 326,584.44 is: 490,070.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,156.28 : 1,331,261.46 = 326,584.44 : x
  2. Step 2: Convert to fraction form
    887,156.28/1,331,261.46 = 326,584.44/x
  3. Step 3: Cross multiply
    887,156.28x = 1,331,261.46 × 326,584.44
  4. Step 4: Simplify right side
    887,156.28x = 434,769,278,407.68
  5. Step 5: Solve for x
    x = 434,769,278,407.68/887,156.28
  6. Step 6: Final answer
    x = 490,070.68

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1.5x scale

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.