Home / 737,736.80-1,106,605.20-485,794.40

Finding the Fourth Proportional to 737,736.80, 1,106,605.20 and 485,794.40

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Solution

The fourth proportional to 737,736.80, 1,106,605.20 and 485,794.40 is: 728,691.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,736.80 : 1,106,605.20 = 485,794.40 : x
  2. Step 2: Convert to fraction form
    737,736.80/1,106,605.20 = 485,794.40/x
  3. Step 3: Cross multiply
    737,736.80x = 1,106,605.20 × 485,794.40
  4. Step 4: Simplify right side
    737,736.80x = 537,582,609,170.88
  5. Step 5: Solve for x
    x = 537,582,609,170.88/737,736.80
  6. Step 6: Final answer
    x = 728,691.60

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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.