Finding the Fourth Proportional to 722,232.92, 996,669.06 and 399,936.08
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Solution
The fourth proportional to 722,232.92, 996,669.06 and 399,936.08 is: 551,904.94
Step by Step Solution
- Step 1: Write the proportion equation
722,232.92 : 996,669.06 = 399,936.08 : x - Step 2: Convert to fraction form
722,232.92/996,669.06 = 399,936.08/x - Step 3: Cross multiply
722,232.92x = 996,669.06 × 399,936.08 - Step 4: Simplify right side
722,232.92x = 398,603,916,913.69 - Step 5: Solve for x
x = 398,603,916,913.69/722,232.92 - Step 6: Final answer
x = 551,904.94
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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.