Finding the Fourth Proportional to 921,878.63, 1,382,960.41 and 314,524.73
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Solution
The fourth proportional to 921,878.63, 1,382,960.41 and 314,524.73 is: 471,835.70
Step by Step Solution
- Step 1: Write the proportion equation
921,878.63 : 1,382,960.41 = 314,524.73 : x - Step 2: Convert to fraction form
921,878.63/1,382,960.41 = 314,524.73/x - Step 3: Cross multiply
921,878.63x = 1,382,960.41 × 314,524.73 - Step 4: Simplify right side
921,878.63x = 434,975,252,227.03 - Step 5: Solve for x
x = 434,975,252,227.03/921,878.63 - Step 6: Final answer
x = 471,835.70
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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.