Home / 711,900.90-1,067,539.77-213,148.26

Finding the Fourth Proportional to 711,900.90, 1,067,539.77 and 213,148.26

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Solution

The fourth proportional to 711,900.90, 1,067,539.77 and 213,148.26 is: 319,629.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,900.90 : 1,067,539.77 = 213,148.26 : x
  2. Step 2: Convert to fraction form
    711,900.90/1,067,539.77 = 213,148.26/x
  3. Step 3: Cross multiply
    711,900.90x = 1,067,539.77 × 213,148.26
  4. Step 4: Simplify right side
    711,900.90x = 227,544,244,456.30
  5. Step 5: Solve for x
    x = 227,544,244,456.30/711,900.90
  6. Step 6: Final answer
    x = 319,629.10

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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.