Finding the Fourth Proportional to 1,029,097.80, 1,543,796.14 and 319,183.02
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Solution
The fourth proportional to 1,029,097.80, 1,543,796.14 and 319,183.02 is: 478,820.88
Step by Step Solution
- Step 1: Write the proportion equation
1,029,097.80 : 1,543,796.14 = 319,183.02 : x - Step 2: Convert to fraction form
1,029,097.80/1,543,796.14 = 319,183.02/x - Step 3: Cross multiply
1,029,097.80x = 1,543,796.14 × 319,183.02 - Step 4: Simplify right side
1,029,097.80x = 492,753,514,229.54 - Step 5: Solve for x
x = 492,753,514,229.54/1,029,097.80 - Step 6: Final answer
x = 478,820.88
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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.