Home / 790,135.45-1,090,379.33-427,551.37

Finding the Fourth Proportional to 790,135.45, 1,090,379.33 and 427,551.37

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Solution

The fourth proportional to 790,135.45, 1,090,379.33 and 427,551.37 is: 590,016.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,135.45 : 1,090,379.33 = 427,551.37 : x
  2. Step 2: Convert to fraction form
    790,135.45/1,090,379.33 = 427,551.37/x
  3. Step 3: Cross multiply
    790,135.45x = 1,090,379.33 × 427,551.37
  4. Step 4: Simplify right side
    790,135.45x = 466,193,174,223.43
  5. Step 5: Solve for x
    x = 466,193,174,223.43/790,135.45
  6. Step 6: Final answer
    x = 590,016.78

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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.