Home / 807,274.05-1,210,955.27-327,430.60

Finding the Fourth Proportional to 807,274.05, 1,210,955.27 and 327,430.60

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Solution

The fourth proportional to 807,274.05, 1,210,955.27 and 327,430.60 is: 491,163.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,274.05 : 1,210,955.27 = 327,430.60 : x
  2. Step 2: Convert to fraction form
    807,274.05/1,210,955.27 = 327,430.60/x
  3. Step 3: Cross multiply
    807,274.05x = 1,210,955.27 × 327,430.60
  4. Step 4: Simplify right side
    807,274.05x = 396,503,812,776.34
  5. Step 5: Solve for x
    x = 396,503,812,776.34/807,274.05
  6. Step 6: Final answer
    x = 491,163.83

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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.