Home / 886,536.60-1,329,991.73-287,451.06

Finding the Fourth Proportional to 886,536.60, 1,329,991.73 and 287,451.06

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Solution

The fourth proportional to 886,536.60, 1,329,991.73 and 287,451.06 is: 431,237.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,536.60 : 1,329,991.73 = 287,451.06 : x
  2. Step 2: Convert to fraction form
    886,536.60/1,329,991.73 = 287,451.06/x
  3. Step 3: Cross multiply
    886,536.60x = 1,329,991.73 × 287,451.06
  4. Step 4: Simplify right side
    886,536.60x = 382,307,532,579.73
  5. Step 5: Solve for x
    x = 382,307,532,579.73/886,536.60
  6. Step 6: Final answer
    x = 431,237.17

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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.