Home / 835,340.20-1,253,010.30-302,860.60

Finding the Fourth Proportional to 835,340.20, 1,253,010.30 and 302,860.60

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Solution

The fourth proportional to 835,340.20, 1,253,010.30 and 302,860.60 is: 454,290.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,340.20 : 1,253,010.30 = 302,860.60 : x
  2. Step 2: Convert to fraction form
    835,340.20/1,253,010.30 = 302,860.60/x
  3. Step 3: Cross multiply
    835,340.20x = 1,253,010.30 × 302,860.60
  4. Step 4: Simplify right side
    835,340.20x = 379,487,451,264.18
  5. Step 5: Solve for x
    x = 379,487,451,264.18/835,340.20
  6. Step 6: Final answer
    x = 454,290.90

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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.