Home / 758,531.18-1,137,804.06-309,161

Finding the Fourth Proportional to 758,531.18, 1,137,804.06 and 309,161

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Solution

The fourth proportional to 758,531.18, 1,137,804.06 and 309,161 is: 463,744.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,531.18 : 1,137,804.06 = 309,161 : x
  2. Step 2: Convert to fraction form
    758,531.18/1,137,804.06 = 309,161/x
  3. Step 3: Cross multiply
    758,531.18x = 1,137,804.06 × 309,161
  4. Step 4: Simplify right side
    758,531.18x = 351,764,640,993.66
  5. Step 5: Solve for x
    x = 351,764,640,993.66/758,531.18
  6. Step 6: Final answer
    x = 463,744.47

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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.