Finding the Fourth Proportional to 777,283.36, 1,166,263.88 and 272,206.66
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Solution
The fourth proportional to 777,283.36, 1,166,263.88 and 272,206.66 is: 408,428.65
Step by Step Solution
- Step 1: Write the proportion equation
777,283.36 : 1,166,263.88 = 272,206.66 : x - Step 2: Convert to fraction form
777,283.36/1,166,263.88 = 272,206.66/x - Step 3: Cross multiply
777,283.36x = 1,166,263.88 × 272,206.66 - Step 4: Simplify right side
777,283.36x = 317,464,795,453.44 - Step 5: Solve for x
x = 317,464,795,453.44/777,283.36 - Step 6: Final answer
x = 408,428.65
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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.