Home / 793,266.72-1,190,372.85-287,867.13

Finding the Fourth Proportional to 793,266.72, 1,190,372.85 and 287,867.13

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Solution

The fourth proportional to 793,266.72, 1,190,372.85 and 287,867.13 is: 431,972.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    793,266.72 : 1,190,372.85 = 287,867.13 : x
  2. Step 2: Convert to fraction form
    793,266.72/1,190,372.85 = 287,867.13/x
  3. Step 3: Cross multiply
    793,266.72x = 1,190,372.85 × 287,867.13
  4. Step 4: Simplify right side
    793,266.72x = 342,669,215,959.42
  5. Step 5: Solve for x
    x = 342,669,215,959.42/793,266.72
  6. Step 6: Final answer
    x = 431,972.26

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Double scale
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1.5x scale

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.