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Finding the Fourth Proportional to 636,852.94, 878,857.02 and 350,366.88

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Solution

The fourth proportional to 636,852.94, 878,857.02 and 350,366.88 is: 483,506.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,852.94 : 878,857.02 = 350,366.88 : x
  2. Step 2: Convert to fraction form
    636,852.94/878,857.02 = 350,366.88/x
  3. Step 3: Cross multiply
    636,852.94x = 878,857.02 × 350,366.88
  4. Step 4: Simplify right side
    636,852.94x = 307,922,392,063.50
  5. Step 5: Solve for x
    x = 307,922,392,063.50/636,852.94
  6. Step 6: Final answer
    x = 483,506.27

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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.