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Finding the Fourth Proportional to 980,504.58, 1,352,949 and 550,702.38

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Solution

The fourth proportional to 980,504.58, 1,352,949 and 550,702.38 is: 759,886.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,504.58 : 1,352,949 = 550,702.38 : x
  2. Step 2: Convert to fraction form
    980,504.58/1,352,949 = 550,702.38/x
  3. Step 3: Cross multiply
    980,504.58x = 1,352,949 × 550,702.38
  4. Step 4: Simplify right side
    980,504.58x = 745,072,234,318.62
  5. Step 5: Solve for x
    x = 745,072,234,318.62/980,504.58
  6. Step 6: Final answer
    x = 759,886.54

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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.