Home / 790,196.72-1,090,471.44-427,620.54

Finding the Fourth Proportional to 790,196.72, 1,090,471.44 and 427,620.54

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Solution

The fourth proportional to 790,196.72, 1,090,471.44 and 427,620.54 is: 590,116.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,196.72 : 1,090,471.44 = 427,620.54 : x
  2. Step 2: Convert to fraction form
    790,196.72/1,090,471.44 = 427,620.54/x
  3. Step 3: Cross multiply
    790,196.72x = 1,090,471.44 × 427,620.54
  4. Step 4: Simplify right side
    790,196.72x = 466,307,986,027.38
  5. Step 5: Solve for x
    x = 466,307,986,027.38/790,196.72
  6. Step 6: Final answer
    x = 590,116.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.