Finding the Fourth Proportional to 641,723.40, 961,418.70 and 522,750.60
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Solution
The fourth proportional to 641,723.40, 961,418.70 and 522,750.60 is: 783,175.75
Step by Step Solution
- Step 1: Write the proportion equation
641,723.40 : 961,418.70 = 522,750.60 : x - Step 2: Convert to fraction form
641,723.40/961,418.70 = 522,750.60/x - Step 3: Cross multiply
641,723.40x = 961,418.70 × 522,750.60 - Step 4: Simplify right side
641,723.40x = 502,582,202,276.22 - Step 5: Solve for x
x = 502,582,202,276.22/641,723.40 - Step 6: Final answer
x = 783,175.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.