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Finding the Fourth Proportional to 636,153.08, 877,879.44 and 349,667.04

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Solution

The fourth proportional to 636,153.08, 877,879.44 and 349,667.04 is: 482,534.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,153.08 : 877,879.44 = 349,667.04 : x
  2. Step 2: Convert to fraction form
    636,153.08/877,879.44 = 349,667.04/x
  3. Step 3: Cross multiply
    636,153.08x = 877,879.44 × 349,667.04
  4. Step 4: Simplify right side
    636,153.08x = 306,965,505,261.66
  5. Step 5: Solve for x
    x = 306,965,505,261.66/636,153.08
  6. Step 6: Final answer
    x = 482,534.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.