Finding the Fourth Proportional to 521,990.26, 782,188.34 and 372,545.26
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Solution
The fourth proportional to 521,990.26, 782,188.34 and 372,545.26 is: 558,249.03
Step by Step Solution
- Step 1: Write the proportion equation
521,990.26 : 782,188.34 = 372,545.26 : x - Step 2: Convert to fraction form
521,990.26/782,188.34 = 372,545.26/x - Step 3: Cross multiply
521,990.26x = 782,188.34 × 372,545.26 - Step 4: Simplify right side
521,990.26x = 291,400,558,494.27 - Step 5: Solve for x
x = 291,400,558,494.27/521,990.26 - Step 6: Final answer
x = 558,249.03
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.