Finding the Fourth Proportional to 579,968.72, 870,589.40 and 460,791.68
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Solution
The fourth proportional to 579,968.72, 870,589.40 and 460,791.68 is: 691,693.08
Step by Step Solution
- Step 1: Write the proportion equation
579,968.72 : 870,589.40 = 460,791.68 : x - Step 2: Convert to fraction form
579,968.72/870,589.40 = 460,791.68/x - Step 3: Cross multiply
579,968.72x = 870,589.40 × 460,791.68 - Step 4: Simplify right side
579,968.72x = 401,160,352,216.19 - Step 5: Solve for x
x = 401,160,352,216.19/579,968.72 - Step 6: Final answer
x = 691,693.08
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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.