Home / 938,005.80-1,406,998.50-228,034.59

Finding the Fourth Proportional to 938,005.80, 1,406,998.50 and 228,034.59

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Solution

The fourth proportional to 938,005.80, 1,406,998.50 and 228,034.59 is: 342,049.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,005.80 : 1,406,998.50 = 228,034.59 : x
  2. Step 2: Convert to fraction form
    938,005.80/1,406,998.50 = 228,034.59/x
  3. Step 3: Cross multiply
    938,005.80x = 1,406,998.50 × 228,034.59
  4. Step 4: Simplify right side
    938,005.80x = 320,844,326,078.12
  5. Step 5: Solve for x
    x = 320,844,326,078.12/938,005.80
  6. Step 6: Final answer
    x = 342,049.41

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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.