Finding the Fourth Proportional to 572,109.12, 789,827.76 and 511,534.08
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Solution
The fourth proportional to 572,109.12, 789,827.76 and 511,534.08 is: 706,200.62
Step by Step Solution
- Step 1: Write the proportion equation
572,109.12 : 789,827.76 = 511,534.08 : x - Step 2: Convert to fraction form
572,109.12/789,827.76 = 511,534.08/x - Step 3: Cross multiply
572,109.12x = 789,827.76 × 511,534.08 - Step 4: Simplify right side
572,109.12x = 404,023,816,570.06 - Step 5: Solve for x
x = 404,023,816,570.06/572,109.12 - Step 6: Final answer
x = 706,200.62
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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.