Home / 781,504.20-1,170,506.70-603,433.80

Finding the Fourth Proportional to 781,504.20, 1,170,506.70 and 603,433.80

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Solution

The fourth proportional to 781,504.20, 1,170,506.70 and 603,433.80 is: 903,799.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,504.20 : 1,170,506.70 = 603,433.80 : x
  2. Step 2: Convert to fraction form
    781,504.20/1,170,506.70 = 603,433.80/x
  3. Step 3: Cross multiply
    781,504.20x = 1,170,506.70 × 603,433.80
  4. Step 4: Simplify right side
    781,504.20x = 706,323,305,906.46
  5. Step 5: Solve for x
    x = 706,323,305,906.46/781,504.20
  6. Step 6: Final answer
    x = 903,799.76

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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.