Home / 664,347.90-996,039.07-264,868.86

Finding the Fourth Proportional to 664,347.90, 996,039.07 and 264,868.86

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Solution

The fourth proportional to 664,347.90, 996,039.07 and 264,868.86 is: 397,110.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,347.90 : 996,039.07 = 264,868.86 : x
  2. Step 2: Convert to fraction form
    664,347.90/996,039.07 = 264,868.86/x
  3. Step 3: Cross multiply
    664,347.90x = 996,039.07 × 264,868.86
  4. Step 4: Simplify right side
    664,347.90x = 263,819,732,986.36
  5. Step 5: Solve for x
    x = 263,819,732,986.36/664,347.90
  6. Step 6: Final answer
    x = 397,110.81

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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.