Home / 729,723.56-1,094,561.40-330,364.40

Finding the Fourth Proportional to 729,723.56, 1,094,561.40 and 330,364.40

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Solution

The fourth proportional to 729,723.56, 1,094,561.40 and 330,364.40 is: 495,535.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,723.56 : 1,094,561.40 = 330,364.40 : x
  2. Step 2: Convert to fraction form
    729,723.56/1,094,561.40 = 330,364.40/x
  3. Step 3: Cross multiply
    729,723.56x = 1,094,561.40 × 330,364.40
  4. Step 4: Simplify right side
    729,723.56x = 361,604,120,174.16
  5. Step 5: Solve for x
    x = 361,604,120,174.16/729,723.56
  6. Step 6: Final answer
    x = 495,535.76

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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.