Finding the Fourth Proportional to 511,687.63, 706,045.70 and 307,689.53
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Solution
The fourth proportional to 511,687.63, 706,045.70 and 307,689.53 is: 424,561.50
Step by Step Solution
- Step 1: Write the proportion equation
511,687.63 : 706,045.70 = 307,689.53 : x - Step 2: Convert to fraction form
511,687.63/706,045.70 = 307,689.53/x - Step 3: Cross multiply
511,687.63x = 706,045.70 × 307,689.53 - Step 4: Simplify right side
511,687.63x = 217,242,868,053.07 - Step 5: Solve for x
x = 217,242,868,053.07/511,687.63 - Step 6: Final answer
x = 424,561.50
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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.