Finding the Fourth Proportional to 518,668.68, 776,669.22 and 416,988.84
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Solution
The fourth proportional to 518,668.68, 776,669.22 and 416,988.84 is: 624,410.94
Step by Step Solution
- Step 1: Write the proportion equation
518,668.68 : 776,669.22 = 416,988.84 : x - Step 2: Convert to fraction form
518,668.68/776,669.22 = 416,988.84/x - Step 3: Cross multiply
518,668.68x = 776,669.22 × 416,988.84 - Step 4: Simplify right side
518,668.68x = 323,862,397,111.51 - Step 5: Solve for x
x = 323,862,397,111.51/518,668.68 - Step 6: Final answer
x = 624,410.94
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.