Home / 887,627.52-1,331,638.20-256,493.52

Finding the Fourth Proportional to 887,627.52, 1,331,638.20 and 256,493.52

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Solution

The fourth proportional to 887,627.52, 1,331,638.20 and 256,493.52 is: 384,797.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,627.52 : 1,331,638.20 = 256,493.52 : x
  2. Step 2: Convert to fraction form
    887,627.52/1,331,638.20 = 256,493.52/x
  3. Step 3: Cross multiply
    887,627.52x = 1,331,638.20 × 256,493.52
  4. Step 4: Simplify right side
    887,627.52x = 341,556,569,284.46
  5. Step 5: Solve for x
    x = 341,556,569,284.46/887,627.52
  6. Step 6: Final answer
    x = 384,797.18

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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.