Home / 671,976.76-1,007,458.23-405,673.93

Finding the Fourth Proportional to 671,976.76, 1,007,458.23 and 405,673.93

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Solution

The fourth proportional to 671,976.76, 1,007,458.23 and 405,673.93 is: 608,204.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,976.76 : 1,007,458.23 = 405,673.93 : x
  2. Step 2: Convert to fraction form
    671,976.76/1,007,458.23 = 405,673.93/x
  3. Step 3: Cross multiply
    671,976.76x = 1,007,458.23 × 405,673.93
  4. Step 4: Simplify right side
    671,976.76x = 408,699,539,474.94
  5. Step 5: Solve for x
    x = 408,699,539,474.94/671,976.76
  6. Step 6: Final answer
    x = 608,204.87

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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.