Finding the Fourth Proportional to 528,138.12, 792,365.07 and 374,559.99
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Solution
The fourth proportional to 528,138.12, 792,365.07 and 374,559.99 is: 561,951.96
Step by Step Solution
- Step 1: Write the proportion equation
528,138.12 : 792,365.07 = 374,559.99 : x - Step 2: Convert to fraction form
528,138.12/792,365.07 = 374,559.99/x - Step 3: Cross multiply
528,138.12x = 792,365.07 × 374,559.99 - Step 4: Simplify right side
528,138.12x = 296,788,252,695.55 - Step 5: Solve for x
x = 296,788,252,695.55/528,138.12 - Step 6: Final answer
x = 561,951.96
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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.