Finding the Fourth Proportional to 719,495.66, 992,877.99 and 397,198.82
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Solution
The fourth proportional to 719,495.66, 992,877.99 and 397,198.82 is: 548,120.01
Step by Step Solution
- Step 1: Write the proportion equation
719,495.66 : 992,877.99 = 397,198.82 : x - Step 2: Convert to fraction form
719,495.66/992,877.99 = 397,198.82/x - Step 3: Cross multiply
719,495.66x = 992,877.99 × 397,198.82 - Step 4: Simplify right side
719,495.66x = 394,369,967,024.67 - Step 5: Solve for x
x = 394,369,967,024.67/719,495.66 - Step 6: Final answer
x = 548,120.01
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1.5x scale
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.