Finding the Fourth Proportional to 722,201.36, 996,625.66 and 399,904.52
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Solution
The fourth proportional to 722,201.36, 996,625.66 and 399,904.52 is: 551,861.47
Step by Step Solution
- Step 1: Write the proportion equation
722,201.36 : 996,625.66 = 399,904.52 : x - Step 2: Convert to fraction form
722,201.36/996,625.66 = 399,904.52/x - Step 3: Cross multiply
722,201.36x = 996,625.66 × 399,904.52 - Step 4: Simplify right side
722,201.36x = 398,555,106,181.98 - Step 5: Solve for x
x = 398,555,106,181.98/722,201.36 - Step 6: Final answer
x = 551,861.47
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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.