Finding the Fourth Proportional to 659,967.75, 910,766.43 and 358,161.75
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Solution
The fourth proportional to 659,967.75, 910,766.43 and 358,161.75 is: 494,269.15
Step by Step Solution
- Step 1: Write the proportion equation
659,967.75 : 910,766.43 = 358,161.75 : x - Step 2: Convert to fraction form
659,967.75/910,766.43 = 358,161.75/x - Step 3: Cross multiply
659,967.75x = 910,766.43 × 358,161.75 - Step 4: Simplify right side
659,967.75x = 326,201,698,410.05 - Step 5: Solve for x
x = 326,201,698,410.05/659,967.75 - Step 6: Final answer
x = 494,269.15
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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.