Home / 751,380-1,037,010.69-464,992.35

Finding the Fourth Proportional to 751,380, 1,037,010.69 and 464,992.35

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Solution

The fourth proportional to 751,380, 1,037,010.69 and 464,992.35 is: 641,755.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,380 : 1,037,010.69 = 464,992.35 : x
  2. Step 2: Convert to fraction form
    751,380/1,037,010.69 = 464,992.35/x
  3. Step 3: Cross multiply
    751,380x = 1,037,010.69 × 464,992.35
  4. Step 4: Simplify right side
    751,380x = 482,202,037,718.22
  5. Step 5: Solve for x
    x = 482,202,037,718.22/751,380
  6. Step 6: Final answer
    x = 641,755.22

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1.5x scale

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.