Home / 793,257.69-1,190,359.32-287,858.10

Finding the Fourth Proportional to 793,257.69, 1,190,359.32 and 287,858.10

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Solution

The fourth proportional to 793,257.69, 1,190,359.32 and 287,858.10 is: 431,958.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    793,257.69 : 1,190,359.32 = 287,858.10 : x
  2. Step 2: Convert to fraction form
    793,257.69/1,190,359.32 = 287,858.10/x
  3. Step 3: Cross multiply
    793,257.69x = 1,190,359.32 × 287,858.10
  4. Step 4: Simplify right side
    793,257.69x = 342,654,572,172.49
  5. Step 5: Solve for x
    x = 342,654,572,172.49/793,257.69
  6. Step 6: Final answer
    x = 431,958.71

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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.