Home / 759,266.22-1,139,319.72-454,912.45

Finding the Fourth Proportional to 759,266.22, 1,139,319.72 and 454,912.45

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Solution

The fourth proportional to 759,266.22, 1,139,319.72 and 454,912.45 is: 682,620.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,266.22 : 1,139,319.72 = 454,912.45 : x
  2. Step 2: Convert to fraction form
    759,266.22/1,139,319.72 = 454,912.45/x
  3. Step 3: Cross multiply
    759,266.22x = 1,139,319.72 × 454,912.45
  4. Step 4: Simplify right side
    759,266.22x = 518,290,722,310.22
  5. Step 5: Solve for x
    x = 518,290,722,310.22/759,266.22
  6. Step 6: Final answer
    x = 682,620.54

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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.