Finding the Fourth Proportional to 511,688.63, 706,047.07 and 307,690.53
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Solution
The fourth proportional to 511,688.63, 706,047.07 and 307,690.53 is: 424,562.88
Step by Step Solution
- Step 1: Write the proportion equation
511,688.63 : 706,047.07 = 307,690.53 : x - Step 2: Convert to fraction form
511,688.63/706,047.07 = 307,690.53/x - Step 3: Cross multiply
511,688.63x = 706,047.07 × 307,690.53 - Step 4: Simplify right side
511,688.63x = 217,243,997,173.25 - Step 5: Solve for x
x = 217,243,997,173.25/511,688.63 - Step 6: Final answer
x = 424,562.88
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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.