Home / 758,083.92-1,137,120.30-308,699.16

Finding the Fourth Proportional to 758,083.92, 1,137,120.30 and 308,699.16

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Solution

The fourth proportional to 758,083.92, 1,137,120.30 and 308,699.16 is: 463,046.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,083.92 : 1,137,120.30 = 308,699.16 : x
  2. Step 2: Convert to fraction form
    758,083.92/1,137,120.30 = 308,699.16/x
  3. Step 3: Cross multiply
    758,083.92x = 1,137,120.30 × 308,699.16
  4. Step 4: Simplify right side
    758,083.92x = 351,028,081,428.95
  5. Step 5: Solve for x
    x = 351,028,081,428.95/758,083.92
  6. Step 6: Final answer
    x = 463,046.47

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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.