Finding the Fourth Proportional to 512,790.35, 707,190.99 and 427,033.29
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Solution
The fourth proportional to 512,790.35, 707,190.99 and 427,033.29 is: 588,923.12
Step by Step Solution
- Step 1: Write the proportion equation
512,790.35 : 707,190.99 = 427,033.29 : x - Step 2: Convert to fraction form
512,790.35/707,190.99 = 427,033.29/x - Step 3: Cross multiply
512,790.35x = 707,190.99 × 427,033.29 - Step 4: Simplify right side
512,790.35x = 301,994,095,118.06 - Step 5: Solve for x
x = 301,994,095,118.06/512,790.35 - Step 6: Final answer
x = 588,923.12
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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.