Home / 790,185.97-1,090,456.64-427,609.83

Finding the Fourth Proportional to 790,185.97, 1,090,456.64 and 427,609.83

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Solution

The fourth proportional to 790,185.97, 1,090,456.64 and 427,609.83 is: 590,101.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,185.97 : 1,090,456.64 = 427,609.83 : x
  2. Step 2: Convert to fraction form
    790,185.97/1,090,456.64 = 427,609.83/x
  3. Step 3: Cross multiply
    790,185.97x = 1,090,456.64 × 427,609.83
  4. Step 4: Simplify right side
    790,185.97x = 466,289,976,314.72
  5. Step 5: Solve for x
    x = 466,289,976,314.72/790,185.97
  6. Step 6: Final answer
    x = 590,101.57

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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.