Home / 680,581.04-939,169.62-374,651.19

Finding the Fourth Proportional to 680,581.04, 939,169.62 and 374,651.19

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Solution

The fourth proportional to 680,581.04, 939,169.62 and 374,651.19 is: 517,000.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,581.04 : 939,169.62 = 374,651.19 : x
  2. Step 2: Convert to fraction form
    680,581.04/939,169.62 = 374,651.19/x
  3. Step 3: Cross multiply
    680,581.04x = 939,169.62 × 374,651.19
  4. Step 4: Simplify right side
    680,581.04x = 351,861,015,744.85
  5. Step 5: Solve for x
    x = 351,861,015,744.85/680,581.04
  6. Step 6: Final answer
    x = 517,000.91

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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.