Home / 893,738.79-1,340,690.85-254,055.87

Finding the Fourth Proportional to 893,738.79, 1,340,690.85 and 254,055.87

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Solution

The fourth proportional to 893,738.79, 1,340,690.85 and 254,055.87 is: 381,107.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,738.79 : 1,340,690.85 = 254,055.87 : x
  2. Step 2: Convert to fraction form
    893,738.79/1,340,690.85 = 254,055.87/x
  3. Step 3: Cross multiply
    893,738.79x = 1,340,690.85 × 254,055.87
  4. Step 4: Simplify right side
    893,738.79x = 340,610,380,297.79
  5. Step 5: Solve for x
    x = 340,610,380,297.79/893,738.79
  6. Step 6: Final answer
    x = 381,107.30

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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.