Finding the Fourth Proportional to 954,436.53, 1,317,129.96 and 518,853.79
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Solution
The fourth proportional to 954,436.53, 1,317,129.96 and 518,853.79 is: 716,022.33
Step by Step Solution
- Step 1: Write the proportion equation
954,436.53 : 1,317,129.96 = 518,853.79 : x - Step 2: Convert to fraction form
954,436.53/1,317,129.96 = 518,853.79/x - Step 3: Cross multiply
954,436.53x = 1,317,129.96 × 518,853.79 - Step 4: Simplify right side
954,436.53x = 683,397,867,851.81 - Step 5: Solve for x
x = 683,397,867,851.81/954,436.53 - Step 6: Final answer
x = 716,022.33
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.