Home / 887,504.71-1,331,478.50-256,418.52

Finding the Fourth Proportional to 887,504.71, 1,331,478.50 and 256,418.52

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Solution

The fourth proportional to 887,504.71, 1,331,478.50 and 256,418.52 is: 384,691.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,504.71 : 1,331,478.50 = 256,418.52 : x
  2. Step 2: Convert to fraction form
    887,504.71/1,331,478.50 = 256,418.52/x
  3. Step 3: Cross multiply
    887,504.71x = 1,331,478.50 × 256,418.52
  4. Step 4: Simplify right side
    887,504.71x = 341,415,745,099.73
  5. Step 5: Solve for x
    x = 341,415,745,099.73/887,504.71
  6. Step 6: Final answer
    x = 384,691.76

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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.