Finding the Fourth Proportional to 509,651.19, 762,813.35 and 374,679.52
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Solution
The fourth proportional to 509,651.19, 762,813.35 and 374,679.52 is: 560,796.38
Step by Step Solution
- Step 1: Write the proportion equation
509,651.19 : 762,813.35 = 374,679.52 : x - Step 2: Convert to fraction form
509,651.19/762,813.35 = 374,679.52/x - Step 3: Cross multiply
509,651.19x = 762,813.35 × 374,679.52 - Step 4: Simplify right side
509,651.19x = 285,810,541,743.03 - Step 5: Solve for x
x = 285,810,541,743.03/509,651.19 - Step 6: Final answer
x = 560,796.38
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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.