Finding the Fourth Proportional to 932,861.14, 1,399,299.55 and 258,994.99
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Solution
The fourth proportional to 932,861.14, 1,399,299.55 and 258,994.99 is: 388,494.66
Step by Step Solution
- Step 1: Write the proportion equation
932,861.14 : 1,399,299.55 = 258,994.99 : x - Step 2: Convert to fraction form
932,861.14/1,399,299.55 = 258,994.99/x - Step 3: Cross multiply
932,861.14x = 1,399,299.55 × 258,994.99 - Step 4: Simplify right side
932,861.14x = 362,411,572,959.26 - Step 5: Solve for x
x = 362,411,572,959.26/932,861.14 - Step 6: Final answer
x = 388,494.66
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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.