Finding the Fourth Proportional to 777,282.87, 1,166,263.14 and 272,206.16
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Solution
The fourth proportional to 777,282.87, 1,166,263.14 and 272,206.16 is: 408,427.89
Step by Step Solution
- Step 1: Write the proportion equation
777,282.87 : 1,166,263.14 = 272,206.16 : x - Step 2: Convert to fraction form
777,282.87/1,166,263.14 = 272,206.16/x - Step 3: Cross multiply
777,282.87x = 1,166,263.14 × 272,206.16 - Step 4: Simplify right side
777,282.87x = 317,464,005,057.63 - Step 5: Solve for x
x = 317,464,005,057.63/777,282.87 - Step 6: Final answer
x = 408,427.89
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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.