Home / 731,548.72-1,097,212.20-199,111.24

Finding the Fourth Proportional to 731,548.72, 1,097,212.20 and 199,111.24

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Solution

The fourth proportional to 731,548.72, 1,097,212.20 and 199,111.24 is: 298,636.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,548.72 : 1,097,212.20 = 199,111.24 : x
  2. Step 2: Convert to fraction form
    731,548.72/1,097,212.20 = 199,111.24/x
  3. Step 3: Cross multiply
    731,548.72x = 1,097,212.20 × 199,111.24
  4. Step 4: Simplify right side
    731,548.72x = 218,467,281,685.13
  5. Step 5: Solve for x
    x = 218,467,281,685.13/731,548.72
  6. Step 6: Final answer
    x = 298,636.68

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.