Home / 807,342.84-1,211,015.96-758,018.48

Finding the Fourth Proportional to 807,342.84, 1,211,015.96 and 758,018.48

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Solution

The fourth proportional to 807,342.84, 1,211,015.96 and 758,018.48 is: 1,137,029.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,342.84 : 1,211,015.96 = 758,018.48 : x
  2. Step 2: Convert to fraction form
    807,342.84/1,211,015.96 = 758,018.48/x
  3. Step 3: Cross multiply
    807,342.84x = 1,211,015.96 × 758,018.48
  4. Step 4: Simplify right side
    807,342.84x = 917,972,467,409.77
  5. Step 5: Solve for x
    x = 917,972,467,409.77/807,342.84
  6. Step 6: Final answer
    x = 1,137,029.30

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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.