Finding the Fourth Proportional to 989,884.17, 1,365,334.48 and 908,474.84
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Solution
The fourth proportional to 989,884.17, 1,365,334.48 and 908,474.84 is: 1,253,047.63
Step by Step Solution
- Step 1: Write the proportion equation
989,884.17 : 1,365,334.48 = 908,474.84 : x - Step 2: Convert to fraction form
989,884.17/1,365,334.48 = 908,474.84/x - Step 3: Cross multiply
989,884.17x = 1,365,334.48 × 908,474.84 - Step 4: Simplify right side
989,884.17x = 1,240,372,017,573.40 - Step 5: Solve for x
x = 1,240,372,017,573.40/989,884.17 - Step 6: Final answer
x = 1,253,047.63
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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.