Finding the Fourth Proportional to 777,491.84, 1,166,256.21 and 208,873.66
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Solution
The fourth proportional to 777,491.84, 1,166,256.21 and 208,873.66 is: 313,315.45
Step by Step Solution
- Step 1: Write the proportion equation
777,491.84 : 1,166,256.21 = 208,873.66 : x - Step 2: Convert to fraction form
777,491.84/1,166,256.21 = 208,873.66/x - Step 3: Cross multiply
777,491.84x = 1,166,256.21 × 208,873.66 - Step 4: Simplify right side
777,491.84x = 243,600,204,538.25 - Step 5: Solve for x
x = 243,600,204,538.25/777,491.84 - Step 6: Final answer
x = 313,315.45
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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.