Home / 815,173.34-1,222,764.09-477,976.82

Finding the Fourth Proportional to 815,173.34, 1,222,764.09 and 477,976.82

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Solution

The fourth proportional to 815,173.34, 1,222,764.09 and 477,976.82 is: 716,967.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,173.34 : 1,222,764.09 = 477,976.82 : x
  2. Step 2: Convert to fraction form
    815,173.34/1,222,764.09 = 477,976.82/x
  3. Step 3: Cross multiply
    815,173.34x = 1,222,764.09 × 477,976.82
  4. Step 4: Simplify right side
    815,173.34x = 584,452,891,348.39
  5. Step 5: Solve for x
    x = 584,452,891,348.39/815,173.34
  6. Step 6: Final answer
    x = 716,967.62

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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.