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Finding the Fourth Proportional to 636,367.52, 878,168.70 and 360,750.94

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Solution

The fourth proportional to 636,367.52, 878,168.70 and 360,750.94 is: 497,825.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,367.52 : 878,168.70 = 360,750.94 : x
  2. Step 2: Convert to fraction form
    636,367.52/878,168.70 = 360,750.94/x
  3. Step 3: Cross multiply
    636,367.52x = 878,168.70 × 360,750.94
  4. Step 4: Simplify right side
    636,367.52x = 316,800,184,003.58
  5. Step 5: Solve for x
    x = 316,800,184,003.58/636,367.52
  6. Step 6: Final answer
    x = 497,825.82

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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.