Home / 713,771.36-1,070,229.34-227,243.24

Finding the Fourth Proportional to 713,771.36, 1,070,229.34 and 227,243.24

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Solution

The fourth proportional to 713,771.36, 1,070,229.34 and 227,243.24 is: 340,728.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,771.36 : 1,070,229.34 = 227,243.24 : x
  2. Step 2: Convert to fraction form
    713,771.36/1,070,229.34 = 227,243.24/x
  3. Step 3: Cross multiply
    713,771.36x = 1,070,229.34 × 227,243.24
  4. Step 4: Simplify right side
    713,771.36x = 243,202,376,845.41
  5. Step 5: Solve for x
    x = 243,202,376,845.41/713,771.36
  6. Step 6: Final answer
    x = 340,728.69

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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.