Finding the Fourth Proportional to 1,029,487.08, 1,543,704.12 and 430,284.72
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Solution
The fourth proportional to 1,029,487.08, 1,543,704.12 and 430,284.72 is: 645,207.02
Step by Step Solution
- Step 1: Write the proportion equation
1,029,487.08 : 1,543,704.12 = 430,284.72 : x - Step 2: Convert to fraction form
1,029,487.08/1,543,704.12 = 430,284.72/x - Step 3: Cross multiply
1,029,487.08x = 1,543,704.12 × 430,284.72 - Step 4: Simplify right side
1,029,487.08x = 664,232,295,037.05 - Step 5: Solve for x
x = 664,232,295,037.05/1,029,487.08 - Step 6: Final answer
x = 645,207.02
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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.