Home / 835,339.20-1,253,008.80-302,859.60

Finding the Fourth Proportional to 835,339.20, 1,253,008.80 and 302,859.60

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Solution

The fourth proportional to 835,339.20, 1,253,008.80 and 302,859.60 is: 454,289.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,339.20 : 1,253,008.80 = 302,859.60 : x
  2. Step 2: Convert to fraction form
    835,339.20/1,253,008.80 = 302,859.60/x
  3. Step 3: Cross multiply
    835,339.20x = 1,253,008.80 × 302,859.60
  4. Step 4: Simplify right side
    835,339.20x = 379,485,743,964.48
  5. Step 5: Solve for x
    x = 379,485,743,964.48/835,339.20
  6. Step 6: Final answer
    x = 454,289.40

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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.