Home / 911,450.02-1,366,434.87-379,369.32

Finding the Fourth Proportional to 911,450.02, 1,366,434.87 and 379,369.32

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Solution

The fourth proportional to 911,450.02, 1,366,434.87 and 379,369.32 is: 568,745.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,450.02 : 1,366,434.87 = 379,369.32 : x
  2. Step 2: Convert to fraction form
    911,450.02/1,366,434.87 = 379,369.32/x
  3. Step 3: Cross multiply
    911,450.02x = 1,366,434.87 × 379,369.32
  4. Step 4: Simplify right side
    911,450.02x = 518,383,468,595.62
  5. Step 5: Solve for x
    x = 518,383,468,595.62/911,450.02
  6. Step 6: Final answer
    x = 568,745.91

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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.