Home / 763,323.43-1,145,509.98-264,687.43

Finding the Fourth Proportional to 763,323.43, 1,145,509.98 and 264,687.43

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Solution

The fourth proportional to 763,323.43, 1,145,509.98 and 264,687.43 is: 397,213.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,323.43 : 1,145,509.98 = 264,687.43 : x
  2. Step 2: Convert to fraction form
    763,323.43/1,145,509.98 = 264,687.43/x
  3. Step 3: Cross multiply
    763,323.43x = 1,145,509.98 × 264,687.43
  4. Step 4: Simplify right side
    763,323.43x = 303,202,092,645.55
  5. Step 5: Solve for x
    x = 303,202,092,645.55/763,323.43
  6. Step 6: Final answer
    x = 397,213.13

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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.