Finding the Fourth Proportional to 857,552.88, 1,286,469.19 and 351,978.17
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Solution
The fourth proportional to 857,552.88, 1,286,469.19 and 351,978.17 is: 528,024.66
Step by Step Solution
- Step 1: Write the proportion equation
857,552.88 : 1,286,469.19 = 351,978.17 : x - Step 2: Convert to fraction form
857,552.88/1,286,469.19 = 351,978.17/x - Step 3: Cross multiply
857,552.88x = 1,286,469.19 × 351,978.17 - Step 4: Simplify right side
857,552.88x = 452,809,065,705.18 - Step 5: Solve for x
x = 452,809,065,705.18/857,552.88 - Step 6: Final answer
x = 528,024.66
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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.