Home / 756,163.20-1,134,244.80-382,137.60

Finding the Fourth Proportional to 756,163.20, 1,134,244.80 and 382,137.60

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Solution

The fourth proportional to 756,163.20, 1,134,244.80 and 382,137.60 is: 573,206.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,163.20 : 1,134,244.80 = 382,137.60 : x
  2. Step 2: Convert to fraction form
    756,163.20/1,134,244.80 = 382,137.60/x
  3. Step 3: Cross multiply
    756,163.20x = 1,134,244.80 × 382,137.60
  4. Step 4: Simplify right side
    756,163.20x = 433,437,585,684.48
  5. Step 5: Solve for x
    x = 433,437,585,684.48/756,163.20
  6. Step 6: Final answer
    x = 573,206.40

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Similar ratio
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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.