Home / 891,597.78-1,337,921.55-331,025.94

Finding the Fourth Proportional to 891,597.78, 1,337,921.55 and 331,025.94

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Solution

The fourth proportional to 891,597.78, 1,337,921.55 and 331,025.94 is: 496,733.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,597.78 : 1,337,921.55 = 331,025.94 : x
  2. Step 2: Convert to fraction form
    891,597.78/1,337,921.55 = 331,025.94/x
  3. Step 3: Cross multiply
    891,597.78x = 1,337,921.55 × 331,025.94
  4. Step 4: Simplify right side
    891,597.78x = 442,886,738,735.01
  5. Step 5: Solve for x
    x = 442,886,738,735.01/891,597.78
  6. Step 6: Final answer
    x = 496,733.78

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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.