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Finding the Fourth Proportional to 978,841.08, 1,468,258.79 and 268,869.83

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Solution

The fourth proportional to 978,841.08, 1,468,258.79 and 268,869.83 is: 403,303.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,841.08 : 1,468,258.79 = 268,869.83 : x
  2. Step 2: Convert to fraction form
    978,841.08/1,468,258.79 = 268,869.83/x
  3. Step 3: Cross multiply
    978,841.08x = 1,468,258.79 × 268,869.83
  4. Step 4: Simplify right side
    978,841.08x = 394,770,482,577.66
  5. Step 5: Solve for x
    x = 394,770,482,577.66/978,841.08
  6. Step 6: Final answer
    x = 403,303.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.