Finding the Fourth Proportional to 875,485.58, 1,207,964.54 and 531,313.47
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Solution
The fourth proportional to 875,485.58, 1,207,964.54 and 531,313.47 is: 733,087.84
Step by Step Solution
- Step 1: Write the proportion equation
875,485.58 : 1,207,964.54 = 531,313.47 : x - Step 2: Convert to fraction form
875,485.58/1,207,964.54 = 531,313.47/x - Step 3: Cross multiply
875,485.58x = 1,207,964.54 × 531,313.47 - Step 4: Simplify right side
875,485.58x = 641,807,832,712.64 - Step 5: Solve for x
x = 641,807,832,712.64/875,485.58 - Step 6: Final answer
x = 733,087.84
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.