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Finding the Fourth Proportional to 636,066, 877,733.96 and 349,586.34

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Solution

The fourth proportional to 636,066, 877,733.96 and 349,586.34 is: 482,408.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,066 : 877,733.96 = 349,586.34 : x
  2. Step 2: Convert to fraction form
    636,066/877,733.96 = 349,586.34/x
  3. Step 3: Cross multiply
    636,066x = 877,733.96 × 349,586.34
  4. Step 4: Simplify right side
    636,066x = 306,843,802,570.11
  5. Step 5: Solve for x
    x = 306,843,802,570.11/636,066
  6. Step 6: Final answer
    x = 482,408.75

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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.