Finding the Fourth Proportional to 756,690.58, 1,134,788.88 and 251,115.70
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Solution
The fourth proportional to 756,690.58, 1,134,788.88 and 251,115.70 is: 376,591.58
Step by Step Solution
- Step 1: Write the proportion equation
756,690.58 : 1,134,788.88 = 251,115.70 : x - Step 2: Convert to fraction form
756,690.58/1,134,788.88 = 251,115.70/x - Step 3: Cross multiply
756,690.58x = 1,134,788.88 × 251,115.70 - Step 4: Simplify right side
756,690.58x = 284,963,303,953.42 - Step 5: Solve for x
x = 284,963,303,953.42/756,690.58 - Step 6: Final answer
x = 376,591.58
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.