Finding the Fourth Proportional to 839,074.19, 1,158,006.02 and 512,369.19
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Solution
The fourth proportional to 839,074.19, 1,158,006.02 and 512,369.19 is: 707,120.56
Step by Step Solution
- Step 1: Write the proportion equation
839,074.19 : 1,158,006.02 = 512,369.19 : x - Step 2: Convert to fraction form
839,074.19/1,158,006.02 = 512,369.19/x - Step 3: Cross multiply
839,074.19x = 1,158,006.02 × 512,369.19 - Step 4: Simplify right side
839,074.19x = 593,326,603,920.68 - Step 5: Solve for x
x = 593,326,603,920.68/839,074.19 - Step 6: Final answer
x = 707,120.56
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.