Home / 810,242.91-1,215,338.22-241,628.72

Finding the Fourth Proportional to 810,242.91, 1,215,338.22 and 241,628.72

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Solution

The fourth proportional to 810,242.91, 1,215,338.22 and 241,628.72 is: 362,435.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,242.91 : 1,215,338.22 = 241,628.72 : x
  2. Step 2: Convert to fraction form
    810,242.91/1,215,338.22 = 241,628.72/x
  3. Step 3: Cross multiply
    810,242.91x = 1,215,338.22 × 241,628.72
  4. Step 4: Simplify right side
    810,242.91x = 293,660,612,388.99
  5. Step 5: Solve for x
    x = 293,660,612,388.99/810,242.91
  6. Step 6: Final answer
    x = 362,435.28

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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.