Home / 757,184.43-1,134,976.56-330,346.42

Finding the Fourth Proportional to 757,184.43, 1,134,976.56 and 330,346.42

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Solution

The fourth proportional to 757,184.43, 1,134,976.56 and 330,346.42 is: 495,170.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,184.43 : 1,134,976.56 = 330,346.42 : x
  2. Step 2: Convert to fraction form
    757,184.43/1,134,976.56 = 330,346.42/x
  3. Step 3: Cross multiply
    757,184.43x = 1,134,976.56 × 330,346.42
  4. Step 4: Simplify right side
    757,184.43x = 374,935,443,379.92
  5. Step 5: Solve for x
    x = 374,935,443,379.92/757,184.43
  6. Step 6: Final answer
    x = 495,170.57

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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.