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Finding the Fourth Proportional to 636,045.84, 877,753.48 and 364,112.64

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Solution

The fourth proportional to 636,045.84, 877,753.48 and 364,112.64 is: 502,481.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,045.84 : 877,753.48 = 364,112.64 : x
  2. Step 2: Convert to fraction form
    636,045.84/877,753.48 = 364,112.64/x
  3. Step 3: Cross multiply
    636,045.84x = 877,753.48 × 364,112.64
  4. Step 4: Simplify right side
    636,045.84x = 319,601,136,871.99
  5. Step 5: Solve for x
    x = 319,601,136,871.99/636,045.84
  6. Step 6: Final answer
    x = 502,481.29

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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.