Home / 793,256.69-1,190,357.82-287,857.10

Finding the Fourth Proportional to 793,256.69, 1,190,357.82 and 287,857.10

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Solution

The fourth proportional to 793,256.69, 1,190,357.82 and 287,857.10 is: 431,957.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    793,256.69 : 1,190,357.82 = 287,857.10 : x
  2. Step 2: Convert to fraction form
    793,256.69/1,190,357.82 = 287,857.10/x
  3. Step 3: Cross multiply
    793,256.69x = 1,190,357.82 × 287,857.10
  4. Step 4: Simplify right side
    793,256.69x = 342,652,950,027.52
  5. Step 5: Solve for x
    x = 342,652,950,027.52/793,256.69
  6. Step 6: Final answer
    x = 431,957.21

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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.