Home / 511,834.75-706,558.43-330,635.02

Finding the Fourth Proportional to 511,834.75, 706,558.43 and 330,635.02

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Solution

The fourth proportional to 511,834.75, 706,558.43 and 330,635.02 is: 456,422.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,834.75 : 706,558.43 = 330,635.02 : x
  2. Step 2: Convert to fraction form
    511,834.75/706,558.43 = 330,635.02/x
  3. Step 3: Cross multiply
    511,834.75x = 706,558.43 × 330,635.02
  4. Step 4: Simplify right side
    511,834.75x = 233,612,955,448.25
  5. Step 5: Solve for x
    x = 233,612,955,448.25/511,834.75
  6. Step 6: Final answer
    x = 456,422.62

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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.