Finding the Fourth Proportional to 476,689.08, 658,257.92 and 355,620.10
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Solution
The fourth proportional to 476,689.08, 658,257.92 and 355,620.10 is: 491,074.28
Step by Step Solution
- Step 1: Write the proportion equation
476,689.08 : 658,257.92 = 355,620.10 : x - Step 2: Convert to fraction form
476,689.08/658,257.92 = 355,620.10/x - Step 3: Cross multiply
476,689.08x = 658,257.92 × 355,620.10 - Step 4: Simplify right side
476,689.08x = 234,089,747,336.19 - Step 5: Solve for x
x = 234,089,747,336.19/476,689.08 - Step 6: Final answer
x = 491,074.28
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.