Finding the Fourth Proportional to 525,909.96, 726,233.74 and 396,626.99
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Solution
The fourth proportional to 525,909.96, 726,233.74 and 396,626.99 is: 547,705.73
Step by Step Solution
- Step 1: Write the proportion equation
525,909.96 : 726,233.74 = 396,626.99 : x - Step 2: Convert to fraction form
525,909.96/726,233.74 = 396,626.99/x - Step 3: Cross multiply
525,909.96x = 726,233.74 × 396,626.99 - Step 4: Simplify right side
525,909.96x = 288,043,897,709.91 - Step 5: Solve for x
x = 288,043,897,709.91/525,909.96 - Step 6: Final answer
x = 547,705.73
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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.