Finding the Fourth Proportional to 518,806.59, 715,954.28 and 292,452.09
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Solution
The fourth proportional to 518,806.59, 715,954.28 and 292,452.09 is: 403,584.55
Step by Step Solution
- Step 1: Write the proportion equation
518,806.59 : 715,954.28 = 292,452.09 : x - Step 2: Convert to fraction form
518,806.59/715,954.28 = 292,452.09/x - Step 3: Cross multiply
518,806.59x = 715,954.28 × 292,452.09 - Step 4: Simplify right side
518,806.59x = 209,382,324,068.19 - Step 5: Solve for x
x = 209,382,324,068.19/518,806.59 - Step 6: Final answer
x = 403,584.55
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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.