Home / 887,852.71-1,331,791.40-288,817.03

Finding the Fourth Proportional to 887,852.71, 1,331,791.40 and 288,817.03

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Solution

The fourth proportional to 887,852.71, 1,331,791.40 and 288,817.03 is: 433,229.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,852.71 : 1,331,791.40 = 288,817.03 : x
  2. Step 2: Convert to fraction form
    887,852.71/1,331,791.40 = 288,817.03/x
  3. Step 3: Cross multiply
    887,852.71x = 1,331,791.40 × 288,817.03
  4. Step 4: Simplify right side
    887,852.71x = 384,644,036,727.54
  5. Step 5: Solve for x
    x = 384,644,036,727.54/887,852.71
  6. Step 6: Final answer
    x = 433,229.56

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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.