Home / 756,191.14-1,134,810.59-300,735.70

Finding the Fourth Proportional to 756,191.14, 1,134,810.59 and 300,735.70

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Solution

The fourth proportional to 756,191.14, 1,134,810.59 and 300,735.70 is: 451,311.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,191.14 : 1,134,810.59 = 300,735.70 : x
  2. Step 2: Convert to fraction form
    756,191.14/1,134,810.59 = 300,735.70/x
  3. Step 3: Cross multiply
    756,191.14x = 1,134,810.59 × 300,735.70
  4. Step 4: Simplify right side
    756,191.14x = 341,278,057,151.06
  5. Step 5: Solve for x
    x = 341,278,057,151.06/756,191.14
  6. Step 6: Final answer
    x = 451,311.90

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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.