Finding the Fourth Proportional to 696,893.21, 1,045,368.17 and 331,967.23
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Solution
The fourth proportional to 696,893.21, 1,045,368.17 and 331,967.23 is: 497,964.35
Step by Step Solution
- Step 1: Write the proportion equation
696,893.21 : 1,045,368.17 = 331,967.23 : x - Step 2: Convert to fraction form
696,893.21/1,045,368.17 = 331,967.23/x - Step 3: Cross multiply
696,893.21x = 1,045,368.17 × 331,967.23 - Step 4: Simplify right side
696,893.21x = 347,027,975,725.07 - Step 5: Solve for x
x = 347,027,975,725.07/696,893.21 - Step 6: Final answer
x = 497,964.35
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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.