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Finding the Fourth Proportional to 571,956.70, 789,273.82 and 313,827.22

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Solution

The fourth proportional to 571,956.70, 789,273.82 and 313,827.22 is: 433,067.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,956.70 : 789,273.82 = 313,827.22 : x
  2. Step 2: Convert to fraction form
    571,956.70/789,273.82 = 313,827.22/x
  3. Step 3: Cross multiply
    571,956.70x = 789,273.82 × 313,827.22
  4. Step 4: Simplify right side
    571,956.70x = 247,695,608,749.38
  5. Step 5: Solve for x
    x = 247,695,608,749.38/571,956.70
  6. Step 6: Final answer
    x = 433,067.06

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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.