Home / 538,867.08-743,654.53-293,865.25

Finding the Fourth Proportional to 538,867.08, 743,654.53 and 293,865.25

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Solution

The fourth proportional to 538,867.08, 743,654.53 and 293,865.25 is: 405,543.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,867.08 : 743,654.53 = 293,865.25 : x
  2. Step 2: Convert to fraction form
    538,867.08/743,654.53 = 293,865.25/x
  3. Step 3: Cross multiply
    538,867.08x = 743,654.53 × 293,865.25
  4. Step 4: Simplify right side
    538,867.08x = 218,534,220,310.85
  5. Step 5: Solve for x
    x = 218,534,220,310.85/538,867.08
  6. Step 6: Final answer
    x = 405,543.83

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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.