Home / 672,083.87-1,008,016.45-272,708.51

Finding the Fourth Proportional to 672,083.87, 1,008,016.45 and 272,708.51

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Solution

The fourth proportional to 672,083.87, 1,008,016.45 and 272,708.51 is: 409,018.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,083.87 : 1,008,016.45 = 272,708.51 : x
  2. Step 2: Convert to fraction form
    672,083.87/1,008,016.45 = 272,708.51/x
  3. Step 3: Cross multiply
    672,083.87x = 1,008,016.45 × 272,708.51
  4. Step 4: Simplify right side
    672,083.87x = 274,894,658,413.14
  5. Step 5: Solve for x
    x = 274,894,658,413.14/672,083.87
  6. Step 6: Final answer
    x = 409,018.39

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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.