Home / 729,021.56-1,094,020.42-302,557.74

Finding the Fourth Proportional to 729,021.56, 1,094,020.42 and 302,557.74

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Solution

The fourth proportional to 729,021.56, 1,094,020.42 and 302,557.74 is: 454,039.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,021.56 : 1,094,020.42 = 302,557.74 : x
  2. Step 2: Convert to fraction form
    729,021.56/1,094,020.42 = 302,557.74/x
  3. Step 3: Cross multiply
    729,021.56x = 1,094,020.42 × 302,557.74
  4. Step 4: Simplify right side
    729,021.56x = 331,004,345,789.05
  5. Step 5: Solve for x
    x = 331,004,345,789.05/729,021.56
  6. Step 6: Final answer
    x = 454,039.17

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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.