Home / 887,672.48-1,331,518.44-256,591.76

Finding the Fourth Proportional to 887,672.48, 1,331,518.44 and 256,591.76

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Solution

The fourth proportional to 887,672.48, 1,331,518.44 and 256,591.76 is: 384,890.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,672.48 : 1,331,518.44 = 256,591.76 : x
  2. Step 2: Convert to fraction form
    887,672.48/1,331,518.44 = 256,591.76/x
  3. Step 3: Cross multiply
    887,672.48x = 1,331,518.44 × 256,591.76
  4. Step 4: Simplify right side
    887,672.48x = 341,656,659,992.05
  5. Step 5: Solve for x
    x = 341,656,659,992.05/887,672.48
  6. Step 6: Final answer
    x = 384,890.45

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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.