Finding the Fourth Proportional to 921,553.43, 1,382,328.95 and 247,634.75
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Solution
The fourth proportional to 921,553.43, 1,382,328.95 and 247,634.75 is: 371,451.80
Step by Step Solution
- Step 1: Write the proportion equation
921,553.43 : 1,382,328.95 = 247,634.75 : x - Step 2: Convert to fraction form
921,553.43/1,382,328.95 = 247,634.75/x - Step 3: Cross multiply
921,553.43x = 1,382,328.95 × 247,634.75 - Step 4: Simplify right side
921,553.43x = 342,312,677,658.46 - Step 5: Solve for x
x = 342,312,677,658.46/921,553.43 - Step 6: Final answer
x = 371,451.80
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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.