Finding the Fourth Proportional to 719,827.34, 993,369.21 and 397,545.62
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Solution
The fourth proportional to 719,827.34, 993,369.21 and 397,545.62 is: 548,617.09
Step by Step Solution
- Step 1: Write the proportion equation
719,827.34 : 993,369.21 = 397,545.62 : x - Step 2: Convert to fraction form
719,827.34/993,369.21 = 397,545.62/x - Step 3: Cross multiply
719,827.34x = 993,369.21 × 397,545.62 - Step 4: Simplify right side
719,827.34x = 394,909,578,478.36 - Step 5: Solve for x
x = 394,909,578,478.36/719,827.34 - Step 6: Final answer
x = 548,617.09
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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.