Home / 769,806.65-1,154,573.89-208,884.89

Finding the Fourth Proportional to 769,806.65, 1,154,573.89 and 208,884.89

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Solution

The fourth proportional to 769,806.65, 1,154,573.89 and 208,884.89 is: 313,290.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,806.65 : 1,154,573.89 = 208,884.89 : x
  2. Step 2: Convert to fraction form
    769,806.65/1,154,573.89 = 208,884.89/x
  3. Step 3: Cross multiply
    769,806.65x = 1,154,573.89 × 208,884.89
  4. Step 4: Simplify right side
    769,806.65x = 241,173,040,009.52
  5. Step 5: Solve for x
    x = 241,173,040,009.52/769,806.65
  6. Step 6: Final answer
    x = 313,290.41

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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.