Home / 758,112-1,137,173.76-259,480.32

Finding the Fourth Proportional to 758,112, 1,137,173.76 and 259,480.32

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Solution

The fourth proportional to 758,112, 1,137,173.76 and 259,480.32 is: 389,222.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,112 : 1,137,173.76 = 259,480.32 : x
  2. Step 2: Convert to fraction form
    758,112/1,137,173.76 = 259,480.32/x
  3. Step 3: Cross multiply
    758,112x = 1,137,173.76 × 259,480.32
  4. Step 4: Simplify right side
    758,112x = 295,074,211,140.40
  5. Step 5: Solve for x
    x = 295,074,211,140.40/758,112
  6. Step 6: Final answer
    x = 389,222.45

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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.