Home / 778,476.83-1,167,708.15-245,997.81

Finding the Fourth Proportional to 778,476.83, 1,167,708.15 and 245,997.81

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Solution

The fourth proportional to 778,476.83, 1,167,708.15 and 245,997.81 is: 368,994.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,476.83 : 1,167,708.15 = 245,997.81 : x
  2. Step 2: Convert to fraction form
    778,476.83/1,167,708.15 = 245,997.81/x
  3. Step 3: Cross multiply
    778,476.83x = 1,167,708.15 × 245,997.81
  4. Step 4: Simplify right side
    778,476.83x = 287,253,647,619.15
  5. Step 5: Solve for x
    x = 287,253,647,619.15/778,476.83
  6. Step 6: Final answer
    x = 368,994.48

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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.