Finding the Fourth Proportional to 719,397.88, 992,763.48 and 397,108.08
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Solution
The fourth proportional to 719,397.88, 992,763.48 and 397,108.08 is: 548,006.06
Step by Step Solution
- Step 1: Write the proportion equation
719,397.88 : 992,763.48 = 397,108.08 : x - Step 2: Convert to fraction form
719,397.88/992,763.48 = 397,108.08/x - Step 3: Cross multiply
719,397.88x = 992,763.48 × 397,108.08 - Step 4: Simplify right side
719,397.88x = 394,234,399,436.92 - Step 5: Solve for x
x = 394,234,399,436.92/719,397.88 - Step 6: Final answer
x = 548,006.06
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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.