Finding the Fourth Proportional to 1,478,554.35, 2,218,074.84 and 453,858.90
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Solution
The fourth proportional to 1,478,554.35, 2,218,074.84 and 453,858.90 is: 680,863.04
Step by Step Solution
- Step 1: Write the proportion equation
1,478,554.35 : 2,218,074.84 = 453,858.90 : x - Step 2: Convert to fraction form
1,478,554.35/2,218,074.84 = 453,858.90/x - Step 3: Cross multiply
1,478,554.35x = 2,218,074.84 × 453,858.90 - Step 4: Simplify right side
1,478,554.35x = 1,006,693,007,000.08 - Step 5: Solve for x
x = 1,006,693,007,000.08/1,478,554.35 - Step 6: Final answer
x = 680,863.04
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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.