Finding the Fourth Proportional to 719,459.08, 992,827.49 and 397,162.26
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Solution
The fourth proportional to 719,459.08, 992,827.49 and 397,162.26 is: 548,069.54
Step by Step Solution
- Step 1: Write the proportion equation
719,459.08 : 992,827.49 = 397,162.26 : x - Step 2: Convert to fraction form
719,459.08/992,827.49 = 397,162.26/x - Step 3: Cross multiply
719,459.08x = 992,827.49 × 397,162.26 - Step 4: Simplify right side
719,459.08x = 394,313,607,732.72 - Step 5: Solve for x
x = 394,313,607,732.72/719,459.08 - Step 6: Final answer
x = 548,069.54
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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.