Finding the Fourth Proportional to 1,029,489.08, 1,543,707.12 and 430,286.72
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Solution
The fourth proportional to 1,029,489.08, 1,543,707.12 and 430,286.72 is: 645,210.02
Step by Step Solution
- Step 1: Write the proportion equation
1,029,489.08 : 1,543,707.12 = 430,286.72 : x - Step 2: Convert to fraction form
1,029,489.08/1,543,707.12 = 430,286.72/x - Step 3: Cross multiply
1,029,489.08x = 1,543,707.12 × 430,286.72 - Step 4: Simplify right side
1,029,489.08x = 664,236,673,305.45 - Step 5: Solve for x
x = 664,236,673,305.45/1,029,489.08 - Step 6: Final answer
x = 645,210.02
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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.