Finding the Fourth Proportional to 773,662.36, 1,160,507.87 and 268,239.81
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Solution
The fourth proportional to 773,662.36, 1,160,507.87 and 268,239.81 is: 402,364.68
Step by Step Solution
- Step 1: Write the proportion equation
773,662.36 : 1,160,507.87 = 268,239.81 : x - Step 2: Convert to fraction form
773,662.36/1,160,507.87 = 268,239.81/x - Step 3: Cross multiply
773,662.36x = 1,160,507.87 × 268,239.81 - Step 4: Simplify right side
773,662.36x = 311,294,410,552.31 - Step 5: Solve for x
x = 311,294,410,552.31/773,662.36 - Step 6: Final answer
x = 402,364.68
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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.