Finding the Fourth Proportional to 783,503.75, 1,175,222.79 and 251,012.99
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Solution
The fourth proportional to 783,503.75, 1,175,222.79 and 251,012.99 is: 376,508.97
Step by Step Solution
- Step 1: Write the proportion equation
783,503.75 : 1,175,222.79 = 251,012.99 : x - Step 2: Convert to fraction form
783,503.75/1,175,222.79 = 251,012.99/x - Step 3: Cross multiply
783,503.75x = 1,175,222.79 × 251,012.99 - Step 4: Simplify right side
783,503.75x = 294,996,189,372.10 - Step 5: Solve for x
x = 294,996,189,372.10/783,503.75 - Step 6: Final answer
x = 376,508.97
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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.