Finding the Fourth Proportional to 853,519.68, 1,176,376.32 and 623,701.44
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Solution
The fourth proportional to 853,519.68, 1,176,376.32 and 623,701.44 is: 859,625.88
Step by Step Solution
- Step 1: Write the proportion equation
853,519.68 : 1,176,376.32 = 623,701.44 : x - Step 2: Convert to fraction form
853,519.68/1,176,376.32 = 623,701.44/x - Step 3: Cross multiply
853,519.68x = 1,176,376.32 × 623,701.44 - Step 4: Simplify right side
853,519.68x = 733,707,604,765.90 - Step 5: Solve for x
x = 733,707,604,765.90/853,519.68 - Step 6: Final answer
x = 859,625.88
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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.