Home / 874,034.34-1,206,282.41-492,135.54

Finding the Fourth Proportional to 874,034.34, 1,206,282.41 and 492,135.54

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Solution

The fourth proportional to 874,034.34, 1,206,282.41 and 492,135.54 is: 679,211.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,034.34 : 1,206,282.41 = 492,135.54 : x
  2. Step 2: Convert to fraction form
    874,034.34/1,206,282.41 = 492,135.54/x
  3. Step 3: Cross multiply
    874,034.34x = 1,206,282.41 × 492,135.54
  4. Step 4: Simplify right side
    874,034.34x = 593,654,445,237.85
  5. Step 5: Solve for x
    x = 593,654,445,237.85/874,034.34
  6. Step 6: Final answer
    x = 679,211.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.