Finding the Fourth Proportional to 494,617.74, 682,587.96 and 279,753.62
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Solution
The fourth proportional to 494,617.74, 682,587.96 and 279,753.62 is: 386,068.75
Step by Step Solution
- Step 1: Write the proportion equation
494,617.74 : 682,587.96 = 279,753.62 : x - Step 2: Convert to fraction form
494,617.74/682,587.96 = 279,753.62/x - Step 3: Cross multiply
494,617.74x = 682,587.96 × 279,753.62 - Step 4: Simplify right side
494,617.74x = 190,956,452,778.42 - Step 5: Solve for x
x = 190,956,452,778.42/494,617.74 - Step 6: Final answer
x = 386,068.75
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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.