Finding the Fourth Proportional to 493,394.62, 680,879.73 and 278,530.06
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Solution
The fourth proportional to 493,394.62, 680,879.73 and 278,530.06 is: 384,368.75
Step by Step Solution
- Step 1: Write the proportion equation
493,394.62 : 680,879.73 = 278,530.06 : x - Step 2: Convert to fraction form
493,394.62/680,879.73 = 278,530.06/x - Step 3: Cross multiply
493,394.62x = 680,879.73 × 278,530.06 - Step 4: Simplify right side
493,394.62x = 189,645,472,049.68 - Step 5: Solve for x
x = 189,645,472,049.68/493,394.62 - Step 6: Final answer
x = 384,368.75
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.