Finding the Fourth Proportional to 985,381.05, 1,477,612.17 and 511,939.29
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Solution
The fourth proportional to 985,381.05, 1,477,612.17 and 511,939.29 is: 767,670.26
Step by Step Solution
- Step 1: Write the proportion equation
985,381.05 : 1,477,612.17 = 511,939.29 : x - Step 2: Convert to fraction form
985,381.05/1,477,612.17 = 511,939.29/x - Step 3: Cross multiply
985,381.05x = 1,477,612.17 × 511,939.29 - Step 4: Simplify right side
985,381.05x = 756,447,725,205.16 - Step 5: Solve for x
x = 756,447,725,205.16/985,381.05 - Step 6: Final answer
x = 767,670.26
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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.