Home / 793,268.72-1,190,375.85-287,869.13

Finding the Fourth Proportional to 793,268.72, 1,190,375.85 and 287,869.13

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Solution

The fourth proportional to 793,268.72, 1,190,375.85 and 287,869.13 is: 431,975.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    793,268.72 : 1,190,375.85 = 287,869.13 : x
  2. Step 2: Convert to fraction form
    793,268.72/1,190,375.85 = 287,869.13/x
  3. Step 3: Cross multiply
    793,268.72x = 1,190,375.85 × 287,869.13
  4. Step 4: Simplify right side
    793,268.72x = 342,672,460,312.51
  5. Step 5: Solve for x
    x = 342,672,460,312.51/793,268.72
  6. Step 6: Final answer
    x = 431,975.26

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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.