Home / 409,735.12-565,388.82-248,629.36

Finding the Fourth Proportional to 409,735.12, 565,388.82 and 248,629.36

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Solution

The fourth proportional to 409,735.12, 565,388.82 and 248,629.36 is: 343,080.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,735.12 : 565,388.82 = 248,629.36 : x
  2. Step 2: Convert to fraction form
    409,735.12/565,388.82 = 248,629.36/x
  3. Step 3: Cross multiply
    409,735.12x = 565,388.82 × 248,629.36
  4. Step 4: Simplify right side
    409,735.12x = 140,572,260,467.76
  5. Step 5: Solve for x
    x = 140,572,260,467.76/409,735.12
  6. Step 6: Final answer
    x = 343,080.82

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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.