Home / 785,311.85-1,177,827.55-208,938.44

Finding the Fourth Proportional to 785,311.85, 1,177,827.55 and 208,938.44

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Solution

The fourth proportional to 785,311.85, 1,177,827.55 and 208,938.44 is: 313,370.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,311.85 : 1,177,827.55 = 208,938.44 : x
  2. Step 2: Convert to fraction form
    785,311.85/1,177,827.55 = 208,938.44/x
  3. Step 3: Cross multiply
    785,311.85x = 1,177,827.55 × 208,938.44
  4. Step 4: Simplify right side
    785,311.85x = 246,093,454,091.76
  5. Step 5: Solve for x
    x = 246,093,454,091.76/785,311.85
  6. Step 6: Final answer
    x = 313,370.36

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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.