Finding the Fourth Proportional to 622,929.96, 859,651.38 and 368,278.92
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Solution
The fourth proportional to 622,929.96, 859,651.38 and 368,278.92 is: 508,229.66
Step by Step Solution
- Step 1: Write the proportion equation
622,929.96 : 859,651.38 = 368,278.92 : x - Step 2: Convert to fraction form
622,929.96/859,651.38 = 368,278.92/x - Step 3: Cross multiply
622,929.96x = 859,651.38 × 368,278.92 - Step 4: Simplify right side
622,929.96x = 316,591,481,802.91 - Step 5: Solve for x
x = 316,591,481,802.91/622,929.96 - Step 6: Final answer
x = 508,229.66
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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.