Finding the Fourth Proportional to 677,930.54, 1,016,497.11 and 257,235.98
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Solution
The fourth proportional to 677,930.54, 1,016,497.11 and 257,235.98 is: 385,702.69
Step by Step Solution
- Step 1: Write the proportion equation
677,930.54 : 1,016,497.11 = 257,235.98 : x - Step 2: Convert to fraction form
677,930.54/1,016,497.11 = 257,235.98/x - Step 3: Cross multiply
677,930.54x = 1,016,497.11 × 257,235.98 - Step 4: Simplify right side
677,930.54x = 261,479,630,258.02 - Step 5: Solve for x
x = 261,479,630,258.02/677,930.54 - Step 6: Final answer
x = 385,702.69
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.