Finding the Fourth Proportional to 644,539.06, 966,468.36 and 217,928.26
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Solution
The fourth proportional to 644,539.06, 966,468.36 and 217,928.26 is: 326,777.35
Step by Step Solution
- Step 1: Write the proportion equation
644,539.06 : 966,468.36 = 217,928.26 : x - Step 2: Convert to fraction form
644,539.06/966,468.36 = 217,928.26/x - Step 3: Cross multiply
644,539.06x = 966,468.36 × 217,928.26 - Step 4: Simplify right side
644,539.06x = 210,620,768,039.85 - Step 5: Solve for x
x = 210,620,768,039.85/644,539.06 - Step 6: Final answer
x = 326,777.35
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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.