Home / 692,799.40-1,039,227.90-219,474.28

Finding the Fourth Proportional to 692,799.40, 1,039,227.90 and 219,474.28

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Solution

The fourth proportional to 692,799.40, 1,039,227.90 and 219,474.28 is: 329,220.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,799.40 : 1,039,227.90 = 219,474.28 : x
  2. Step 2: Convert to fraction form
    692,799.40/1,039,227.90 = 219,474.28/x
  3. Step 3: Cross multiply
    692,799.40x = 1,039,227.90 × 219,474.28
  4. Step 4: Simplify right side
    692,799.40x = 228,083,795,108.41
  5. Step 5: Solve for x
    x = 228,083,795,108.41/692,799.40
  6. Step 6: Final answer
    x = 329,220.54

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1.5x scale

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.