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Finding the Fourth Proportional to 636,367.52, 878,168.69 and 360,750.93

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Solution

The fourth proportional to 636,367.52, 878,168.69 and 360,750.93 is: 497,825.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,367.52 : 878,168.69 = 360,750.93 : x
  2. Step 2: Convert to fraction form
    636,367.52/878,168.69 = 360,750.93/x
  3. Step 3: Cross multiply
    636,367.52x = 878,168.69 × 360,750.93
  4. Step 4: Simplify right side
    636,367.52x = 316,800,171,614.38
  5. Step 5: Solve for x
    x = 316,800,171,614.38/636,367.52
  6. Step 6: Final answer
    x = 497,825.80

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1.5x scale

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.