Finding the Fourth Proportional to 488,527.98, 674,497.72 and 305,045.98
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Solution
The fourth proportional to 488,527.98, 674,497.72 and 305,045.98 is: 421,168.95
Step by Step Solution
- Step 1: Write the proportion equation
488,527.98 : 674,497.72 = 305,045.98 : x - Step 2: Convert to fraction form
488,527.98/674,497.72 = 305,045.98/x - Step 3: Cross multiply
488,527.98x = 674,497.72 × 305,045.98 - Step 4: Simplify right side
488,527.98x = 205,752,818,005.17 - Step 5: Solve for x
x = 205,752,818,005.17/488,527.98 - Step 6: Final answer
x = 421,168.95
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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.