Home / 905,899.88-1,358,814.33-306,861.03

Finding the Fourth Proportional to 905,899.88, 1,358,814.33 and 306,861.03

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Solution

The fourth proportional to 905,899.88, 1,358,814.33 and 306,861.03 is: 460,279.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,899.88 : 1,358,814.33 = 306,861.03 : x
  2. Step 2: Convert to fraction form
    905,899.88/1,358,814.33 = 306,861.03/x
  3. Step 3: Cross multiply
    905,899.88x = 1,358,814.33 × 306,861.03
  4. Step 4: Simplify right side
    905,899.88x = 416,967,164,882.56
  5. Step 5: Solve for x
    x = 416,967,164,882.56/905,899.88
  6. Step 6: Final answer
    x = 460,279.53

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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.