Home / 887,709.22-1,331,573.55-256,628.50

Finding the Fourth Proportional to 887,709.22, 1,331,573.55 and 256,628.50

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Solution

The fourth proportional to 887,709.22, 1,331,573.55 and 256,628.50 is: 384,945.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,709.22 : 1,331,573.55 = 256,628.50 : x
  2. Step 2: Convert to fraction form
    887,709.22/1,331,573.55 = 256,628.50/x
  3. Step 3: Cross multiply
    887,709.22x = 1,331,573.55 × 256,628.50
  4. Step 4: Simplify right side
    887,709.22x = 341,719,722,776.18
  5. Step 5: Solve for x
    x = 341,719,722,776.18/887,709.22
  6. Step 6: Final answer
    x = 384,945.56

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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.