Finding the Fourth Proportional to 1,116,864.12, 1,675,274.58 and 318,150.84
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Solution
The fourth proportional to 1,116,864.12, 1,675,274.58 and 318,150.84 is: 477,220.11
Step by Step Solution
- Step 1: Write the proportion equation
1,116,864.12 : 1,675,274.58 = 318,150.84 : x - Step 2: Convert to fraction form
1,116,864.12/1,675,274.58 = 318,150.84/x - Step 3: Cross multiply
1,116,864.12x = 1,675,274.58 × 318,150.84 - Step 4: Simplify right side
1,116,864.12x = 532,990,014,857.65 - Step 5: Solve for x
x = 532,990,014,857.65/1,116,864.12 - Step 6: Final answer
x = 477,220.11
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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.