Home / 844,813.72-1,267,219.50-339,374.67

Finding the Fourth Proportional to 844,813.72, 1,267,219.50 and 339,374.67

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Solution

The fourth proportional to 844,813.72, 1,267,219.50 and 339,374.67 is: 509,061.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    844,813.72 : 1,267,219.50 = 339,374.67 : x
  2. Step 2: Convert to fraction form
    844,813.72/1,267,219.50 = 339,374.67/x
  3. Step 3: Cross multiply
    844,813.72x = 1,267,219.50 × 339,374.67
  4. Step 4: Simplify right side
    844,813.72x = 430,062,199,630.07
  5. Step 5: Solve for x
    x = 430,062,199,630.07/844,813.72
  6. Step 6: Final answer
    x = 509,061.57

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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.