Home / 751,381-1,037,012.07-464,993.35

Finding the Fourth Proportional to 751,381, 1,037,012.07 and 464,993.35

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Solution

The fourth proportional to 751,381, 1,037,012.07 and 464,993.35 is: 641,756.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,381 : 1,037,012.07 = 464,993.35 : x
  2. Step 2: Convert to fraction form
    751,381/1,037,012.07 = 464,993.35/x
  3. Step 3: Cross multiply
    751,381x = 1,037,012.07 × 464,993.35
  4. Step 4: Simplify right side
    751,381x = 482,203,716,419.73
  5. Step 5: Solve for x
    x = 482,203,716,419.73/751,381
  6. Step 6: Final answer
    x = 641,756.60

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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.