Home / 759,758.43-1,137,708.60-455,961.36

Finding the Fourth Proportional to 759,758.43, 1,137,708.60 and 455,961.36

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Solution

The fourth proportional to 759,758.43, 1,137,708.60 and 455,961.36 is: 682,784.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,758.43 : 1,137,708.60 = 455,961.36 : x
  2. Step 2: Convert to fraction form
    759,758.43/1,137,708.60 = 455,961.36/x
  3. Step 3: Cross multiply
    759,758.43x = 1,137,708.60 × 455,961.36
  4. Step 4: Simplify right side
    759,758.43x = 518,751,160,539.70
  5. Step 5: Solve for x
    x = 518,751,160,539.70/759,758.43
  6. Step 6: Final answer
    x = 682,784.34

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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.