Home / 713,868.57-1,070,687.94-208,310.85

Finding the Fourth Proportional to 713,868.57, 1,070,687.94 and 208,310.85

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Solution

The fourth proportional to 713,868.57, 1,070,687.94 and 208,310.85 is: 312,432.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,868.57 : 1,070,687.94 = 208,310.85 : x
  2. Step 2: Convert to fraction form
    713,868.57/1,070,687.94 = 208,310.85/x
  3. Step 3: Cross multiply
    713,868.57x = 1,070,687.94 × 208,310.85
  4. Step 4: Simplify right side
    713,868.57x = 223,035,914,866.15
  5. Step 5: Solve for x
    x = 223,035,914,866.15/713,868.57
  6. Step 6: Final answer
    x = 312,432.74

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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.