Home / 511,835.25-706,559.12-330,635.52

Finding the Fourth Proportional to 511,835.25, 706,559.12 and 330,635.52

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Solution

The fourth proportional to 511,835.25, 706,559.12 and 330,635.52 is: 456,423.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,835.25 : 706,559.12 = 330,635.52 : x
  2. Step 2: Convert to fraction form
    511,835.25/706,559.12 = 330,635.52/x
  3. Step 3: Cross multiply
    511,835.25x = 706,559.12 × 330,635.52
  4. Step 4: Simplify right side
    511,835.25x = 233,613,542,051.94
  5. Step 5: Solve for x
    x = 233,613,542,051.94/511,835.25
  6. Step 6: Final answer
    x = 456,423.32

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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.