Home / 893,697.74-1,339,791.42-387,876.23

Finding the Fourth Proportional to 893,697.74, 1,339,791.42 and 387,876.23

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Solution

The fourth proportional to 893,697.74, 1,339,791.42 and 387,876.23 is: 581,486.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,697.74 : 1,339,791.42 = 387,876.23 : x
  2. Step 2: Convert to fraction form
    893,697.74/1,339,791.42 = 387,876.23/x
  3. Step 3: Cross multiply
    893,697.74x = 1,339,791.42 × 387,876.23
  4. Step 4: Simplify right side
    893,697.74x = 519,673,244,975.95
  5. Step 5: Solve for x
    x = 519,673,244,975.95/893,697.74
  6. Step 6: Final answer
    x = 581,486.58

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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.