Home / 887,691.52-1,331,734.40-256,557.60

Finding the Fourth Proportional to 887,691.52, 1,331,734.40 and 256,557.60

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Solution

The fourth proportional to 887,691.52, 1,331,734.40 and 256,557.60 is: 384,893.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,691.52 : 1,331,734.40 = 256,557.60 : x
  2. Step 2: Convert to fraction form
    887,691.52/1,331,734.40 = 256,557.60/x
  3. Step 3: Cross multiply
    887,691.52x = 1,331,734.40 × 256,557.60
  4. Step 4: Simplify right side
    887,691.52x = 341,666,581,501.44
  5. Step 5: Solve for x
    x = 341,666,581,501.44/887,691.52
  6. Step 6: Final answer
    x = 384,893.37

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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.