Home / 497,016.10-685,890.09-270,661.42

Finding the Fourth Proportional to 497,016.10, 685,890.09 and 270,661.42

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Solution

The fourth proportional to 497,016.10, 685,890.09 and 270,661.42 is: 373,517.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,016.10 : 685,890.09 = 270,661.42 : x
  2. Step 2: Convert to fraction form
    497,016.10/685,890.09 = 270,661.42/x
  3. Step 3: Cross multiply
    497,016.10x = 685,890.09 × 270,661.42
  4. Step 4: Simplify right side
    497,016.10x = 185,643,985,723.33
  5. Step 5: Solve for x
    x = 185,643,985,723.33/497,016.10
  6. Step 6: Final answer
    x = 373,517.05

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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.