Finding the Fourth Proportional to 912,549.14, 1,368,366.86 and 281,380.94
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Solution
The fourth proportional to 912,549.14, 1,368,366.86 and 281,380.94 is: 421,930.54
Step by Step Solution
- Step 1: Write the proportion equation
912,549.14 : 1,368,366.86 = 281,380.94 : x - Step 2: Convert to fraction form
912,549.14/1,368,366.86 = 281,380.94/x - Step 3: Cross multiply
912,549.14x = 1,368,366.86 × 281,380.94 - Step 4: Simplify right side
912,549.14x = 385,032,345,082.91 - Step 5: Solve for x
x = 385,032,345,082.91/912,549.14 - Step 6: Final answer
x = 421,930.54
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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.