Home / 790,231.38-1,090,519.40-427,655.33

Finding the Fourth Proportional to 790,231.38, 1,090,519.40 and 427,655.33

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Solution

The fourth proportional to 790,231.38, 1,090,519.40 and 427,655.33 is: 590,164.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,231.38 : 1,090,519.40 = 427,655.33 : x
  2. Step 2: Convert to fraction form
    790,231.38/1,090,519.40 = 427,655.33/x
  3. Step 3: Cross multiply
    790,231.38x = 1,090,519.40 × 427,655.33
  4. Step 4: Simplify right side
    790,231.38x = 466,366,433,584.39
  5. Step 5: Solve for x
    x = 466,366,433,584.39/790,231.38
  6. Step 6: Final answer
    x = 590,164.41

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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.