Finding the Fourth Proportional to 664,390.66, 916,888.92 and 374,102.05
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Solution
The fourth proportional to 664,390.66, 916,888.92 and 374,102.05 is: 516,277.61
Step by Step Solution
- Step 1: Write the proportion equation
664,390.66 : 916,888.92 = 374,102.05 : x - Step 2: Convert to fraction form
664,390.66/916,888.92 = 374,102.05/x - Step 3: Cross multiply
664,390.66x = 916,888.92 × 374,102.05 - Step 4: Simplify right side
664,390.66x = 343,010,024,594.29 - Step 5: Solve for x
x = 343,010,024,594.29/664,390.66 - Step 6: Final answer
x = 516,277.61
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.