Home / 769,806.15-1,154,573.14-208,884.39

Finding the Fourth Proportional to 769,806.15, 1,154,573.14 and 208,884.39

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Solution

The fourth proportional to 769,806.15, 1,154,573.14 and 208,884.39 is: 313,289.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,806.15 : 1,154,573.14 = 208,884.39 : x
  2. Step 2: Convert to fraction form
    769,806.15/1,154,573.14 = 208,884.39/x
  3. Step 3: Cross multiply
    769,806.15x = 1,154,573.14 × 208,884.39
  4. Step 4: Simplify right side
    769,806.15x = 241,172,306,059.29
  5. Step 5: Solve for x
    x = 241,172,306,059.29/769,806.15
  6. Step 6: Final answer
    x = 313,289.66

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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.