Finding the Fourth Proportional to 719,352.88, 992,701.50 and 397,062.94
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Solution
The fourth proportional to 719,352.88, 992,701.50 and 397,062.94 is: 547,943.84
Step by Step Solution
- Step 1: Write the proportion equation
719,352.88 : 992,701.50 = 397,062.94 : x - Step 2: Convert to fraction form
719,352.88/992,701.50 = 397,062.94/x - Step 3: Cross multiply
719,352.88x = 992,701.50 × 397,062.94 - Step 4: Simplify right side
719,352.88x = 394,164,976,132.41 - Step 5: Solve for x
x = 394,164,976,132.41/719,352.88 - Step 6: Final answer
x = 547,943.84
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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.