Home / 855,183.45-1,180,278.36-492,536.73

Finding the Fourth Proportional to 855,183.45, 1,180,278.36 and 492,536.73

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Solution

The fourth proportional to 855,183.45, 1,180,278.36 and 492,536.73 is: 679,772.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,183.45 : 1,180,278.36 = 492,536.73 : x
  2. Step 2: Convert to fraction form
    855,183.45/1,180,278.36 = 492,536.73/x
  3. Step 3: Cross multiply
    855,183.45x = 1,180,278.36 × 492,536.73
  4. Step 4: Simplify right side
    855,183.45x = 581,330,443,924.16
  5. Step 5: Solve for x
    x = 581,330,443,924.16/855,183.45
  6. Step 6: Final answer
    x = 679,772.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.