Home / 853,479.70-1,177,793.13-471,481.54

Finding the Fourth Proportional to 853,479.70, 1,177,793.13 and 471,481.54

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Solution

The fourth proportional to 853,479.70, 1,177,793.13 and 471,481.54 is: 650,639.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,479.70 : 1,177,793.13 = 471,481.54 : x
  2. Step 2: Convert to fraction form
    853,479.70/1,177,793.13 = 471,481.54/x
  3. Step 3: Cross multiply
    853,479.70x = 1,177,793.13 × 471,481.54
  4. Step 4: Simplify right side
    853,479.70x = 555,307,718,733.82
  5. Step 5: Solve for x
    x = 555,307,718,733.82/853,479.70
  6. Step 6: Final answer
    x = 650,639.63

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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.