Home / 912,044.80-1,368,067.20-343,424.80

Finding the Fourth Proportional to 912,044.80, 1,368,067.20 and 343,424.80

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Solution

The fourth proportional to 912,044.80, 1,368,067.20 and 343,424.80 is: 515,137.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,044.80 : 1,368,067.20 = 343,424.80 : x
  2. Step 2: Convert to fraction form
    912,044.80/1,368,067.20 = 343,424.80/x
  3. Step 3: Cross multiply
    912,044.80x = 1,368,067.20 × 343,424.80
  4. Step 4: Simplify right side
    912,044.80x = 469,828,204,546.56
  5. Step 5: Solve for x
    x = 469,828,204,546.56/912,044.80
  6. Step 6: Final answer
    x = 515,137.20

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Similar ratio
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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.