Home / 748,989.31-1,033,608.90-409,457.56

Finding the Fourth Proportional to 748,989.31, 1,033,608.90 and 409,457.56

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Solution

The fourth proportional to 748,989.31, 1,033,608.90 and 409,457.56 is: 565,053.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,989.31 : 1,033,608.90 = 409,457.56 : x
  2. Step 2: Convert to fraction form
    748,989.31/1,033,608.90 = 409,457.56/x
  3. Step 3: Cross multiply
    748,989.31x = 1,033,608.90 × 409,457.56
  4. Step 4: Simplify right side
    748,989.31x = 423,218,978,188.28
  5. Step 5: Solve for x
    x = 423,218,978,188.28/748,989.31
  6. Step 6: Final answer
    x = 565,053.43

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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.