Finding the Fourth Proportional to 1,029,003.48, 1,543,563.54 and 319,132.44
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Solution
The fourth proportional to 1,029,003.48, 1,543,563.54 and 319,132.44 is: 478,716.75
Step by Step Solution
- Step 1: Write the proportion equation
1,029,003.48 : 1,543,563.54 = 319,132.44 : x - Step 2: Convert to fraction form
1,029,003.48/1,543,563.54 = 319,132.44/x - Step 3: Cross multiply
1,029,003.48x = 1,543,563.54 × 319,132.44 - Step 4: Simplify right side
1,029,003.48x = 492,601,198,815.24 - Step 5: Solve for x
x = 492,601,198,815.24/1,029,003.48 - Step 6: Final answer
x = 478,716.75
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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.