Home / 939,469.14-1,409,199.90-340,290.06

Finding the Fourth Proportional to 939,469.14, 1,409,199.90 and 340,290.06

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Solution

The fourth proportional to 939,469.14, 1,409,199.90 and 340,290.06 is: 510,433.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,469.14 : 1,409,199.90 = 340,290.06 : x
  2. Step 2: Convert to fraction form
    939,469.14/1,409,199.90 = 340,290.06/x
  3. Step 3: Cross multiply
    939,469.14x = 1,409,199.90 × 340,290.06
  4. Step 4: Simplify right side
    939,469.14x = 479,536,718,522.99
  5. Step 5: Solve for x
    x = 479,536,718,522.99/939,469.14
  6. Step 6: Final answer
    x = 510,433.71

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1.5x scale

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.