Finding the Fourth Proportional to 982,714.64, 1,474,113.87 and 343,082.75
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Solution
The fourth proportional to 982,714.64, 1,474,113.87 and 343,082.75 is: 514,638.75
Step by Step Solution
- Step 1: Write the proportion equation
982,714.64 : 1,474,113.87 = 343,082.75 : x - Step 2: Convert to fraction form
982,714.64/1,474,113.87 = 343,082.75/x - Step 3: Cross multiply
982,714.64x = 1,474,113.87 × 343,082.75 - Step 4: Simplify right side
982,714.64x = 505,743,032,962.17 - Step 5: Solve for x
x = 505,743,032,962.17/982,714.64 - Step 6: Final answer
x = 514,638.75
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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.