Home / 753,352.31-1,129,067.30-353,111.27

Finding the Fourth Proportional to 753,352.31, 1,129,067.30 and 353,111.27

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Solution

The fourth proportional to 753,352.31, 1,129,067.30 and 353,111.27 is: 529,216.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,352.31 : 1,129,067.30 = 353,111.27 : x
  2. Step 2: Convert to fraction form
    753,352.31/1,129,067.30 = 353,111.27/x
  3. Step 3: Cross multiply
    753,352.31x = 1,129,067.30 × 353,111.27
  4. Step 4: Simplify right side
    753,352.31x = 398,686,383,455.91
  5. Step 5: Solve for x
    x = 398,686,383,455.91/753,352.31
  6. Step 6: Final answer
    x = 529,216.38

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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.