Finding the Fourth Proportional to 839,725.56, 1,259,458.47 and 307,122.03
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Solution
The fourth proportional to 839,725.56, 1,259,458.47 and 307,122.03 is: 460,635.55
Step by Step Solution
- Step 1: Write the proportion equation
839,725.56 : 1,259,458.47 = 307,122.03 : x - Step 2: Convert to fraction form
839,725.56/1,259,458.47 = 307,122.03/x - Step 3: Cross multiply
839,725.56x = 1,259,458.47 × 307,122.03 - Step 4: Simplify right side
839,725.56x = 386,807,442,007.09 - Step 5: Solve for x
x = 386,807,442,007.09/839,725.56 - Step 6: Final answer
x = 460,635.55
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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.