Home / 815,179.11-1,124,982.33-452,602.98

Finding the Fourth Proportional to 815,179.11, 1,124,982.33 and 452,602.98

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Solution

The fourth proportional to 815,179.11, 1,124,982.33 and 452,602.98 is: 624,611.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,179.11 : 1,124,982.33 = 452,602.98 : x
  2. Step 2: Convert to fraction form
    815,179.11/1,124,982.33 = 452,602.98/x
  3. Step 3: Cross multiply
    815,179.11x = 1,124,982.33 × 452,602.98
  4. Step 4: Simplify right side
    815,179.11x = 509,170,355,005.34
  5. Step 5: Solve for x
    x = 509,170,355,005.34/815,179.11
  6. Step 6: Final answer
    x = 624,611.63

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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.