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Finding the Fourth Proportional to 548,804.88, 822,353.91 and 380,653.74

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Solution

The fourth proportional to 548,804.88, 822,353.91 and 380,653.74 is: 570,388.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,804.88 : 822,353.91 = 380,653.74 : x
  2. Step 2: Convert to fraction form
    548,804.88/822,353.91 = 380,653.74/x
  3. Step 3: Cross multiply
    548,804.88x = 822,353.91 × 380,653.74
  4. Step 4: Simplify right side
    548,804.88x = 313,032,091,445.12
  5. Step 5: Solve for x
    x = 313,032,091,445.12/548,804.88
  6. Step 6: Final answer
    x = 570,388.68

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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.