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Finding the Fourth Proportional to 634,482, 875,662.92 and 366,210

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Solution

The fourth proportional to 634,482, 875,662.92 and 366,210 is: 505,414.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,482 : 875,662.92 = 366,210 : x
  2. Step 2: Convert to fraction form
    634,482/875,662.92 = 366,210/x
  3. Step 3: Cross multiply
    634,482x = 875,662.92 × 366,210
  4. Step 4: Simplify right side
    634,482x = 320,676,517,933.20
  5. Step 5: Solve for x
    x = 320,676,517,933.20/634,482
  6. Step 6: Final answer
    x = 505,414.68

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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.