Finding the Fourth Proportional to 783,690.75, 1,174,552.25 and 423,847.26
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Solution
The fourth proportional to 783,690.75, 1,174,552.25 and 423,847.26 is: 635,238.77
Step by Step Solution
- Step 1: Write the proportion equation
783,690.75 : 1,174,552.25 = 423,847.26 : x - Step 2: Convert to fraction form
783,690.75/1,174,552.25 = 423,847.26/x - Step 3: Cross multiply
783,690.75x = 1,174,552.25 × 423,847.26 - Step 4: Simplify right side
783,690.75x = 497,830,750,770.10 - Step 5: Solve for x
x = 497,830,750,770.10/783,690.75 - Step 6: Final answer
x = 635,238.77
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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.