Home / 731,478.06-1,097,239.37-199,010.79

Finding the Fourth Proportional to 731,478.06, 1,097,239.37 and 199,010.79

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Solution

The fourth proportional to 731,478.06, 1,097,239.37 and 199,010.79 is: 298,522.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,478.06 : 1,097,239.37 = 199,010.79 : x
  2. Step 2: Convert to fraction form
    731,478.06/1,097,239.37 = 199,010.79/x
  3. Step 3: Cross multiply
    731,478.06x = 1,097,239.37 × 199,010.79
  4. Step 4: Simplify right side
    731,478.06x = 218,362,472,847.75
  5. Step 5: Solve for x
    x = 218,362,472,847.75/731,478.06
  6. Step 6: Final answer
    x = 298,522.25

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Double scale
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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.