Home / 874,016.20-1,310,489.70-340,922.80

Finding the Fourth Proportional to 874,016.20, 1,310,489.70 and 340,922.80

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Solution

The fourth proportional to 874,016.20, 1,310,489.70 and 340,922.80 is: 511,175.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,016.20 : 1,310,489.70 = 340,922.80 : x
  2. Step 2: Convert to fraction form
    874,016.20/1,310,489.70 = 340,922.80/x
  3. Step 3: Cross multiply
    874,016.20x = 1,310,489.70 × 340,922.80
  4. Step 4: Simplify right side
    874,016.20x = 446,775,817,895.16
  5. Step 5: Solve for x
    x = 446,775,817,895.16/874,016.20
  6. Step 6: Final answer
    x = 511,175.67

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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.