Home / 419,932.67-579,510.48-228,947.45

Finding the Fourth Proportional to 419,932.67, 579,510.48 and 228,947.45

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Solution

The fourth proportional to 419,932.67, 579,510.48 and 228,947.45 is: 315,949.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,932.67 : 579,510.48 = 228,947.45 : x
  2. Step 2: Convert to fraction form
    419,932.67/579,510.48 = 228,947.45/x
  3. Step 3: Cross multiply
    419,932.67x = 579,510.48 × 228,947.45
  4. Step 4: Simplify right side
    419,932.67x = 132,677,446,644.28
  5. Step 5: Solve for x
    x = 132,677,446,644.28/419,932.67
  6. Step 6: Final answer
    x = 315,949.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.