Finding the Fourth Proportional to 990,294.78, 1,485,993.99 and 534,876.84
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Solution
The fourth proportional to 990,294.78, 1,485,993.99 and 534,876.84 is: 802,613.31
Step by Step Solution
- Step 1: Write the proportion equation
990,294.78 : 1,485,993.99 = 534,876.84 : x - Step 2: Convert to fraction form
990,294.78/1,485,993.99 = 534,876.84/x - Step 3: Cross multiply
990,294.78x = 1,485,993.99 × 534,876.84 - Step 4: Simplify right side
990,294.78x = 794,823,769,630.19 - Step 5: Solve for x
x = 794,823,769,630.19/990,294.78 - Step 6: Final answer
x = 802,613.31
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.