Home / 783,433.20-1,175,144.58-378,152.36

Finding the Fourth Proportional to 783,433.20, 1,175,144.58 and 378,152.36

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Solution

The fourth proportional to 783,433.20, 1,175,144.58 and 378,152.36 is: 567,226.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,433.20 : 1,175,144.58 = 378,152.36 : x
  2. Step 2: Convert to fraction form
    783,433.20/1,175,144.58 = 378,152.36/x
  3. Step 3: Cross multiply
    783,433.20x = 1,175,144.58 × 378,152.36
  4. Step 4: Simplify right side
    783,433.20x = 444,383,696,268.21
  5. Step 5: Solve for x
    x = 444,383,696,268.21/783,433.20
  6. Step 6: Final answer
    x = 567,226.02

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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.