Finding the Fourth Proportional to 875,760.23, 1,208,342.97 and 531,587.68
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Solution
The fourth proportional to 875,760.23, 1,208,342.97 and 531,587.68 is: 733,465.87
Step by Step Solution
- Step 1: Write the proportion equation
875,760.23 : 1,208,342.97 = 531,587.68 : x - Step 2: Convert to fraction form
875,760.23/1,208,342.97 = 531,587.68/x - Step 3: Cross multiply
875,760.23x = 1,208,342.97 × 531,587.68 - Step 4: Simplify right side
875,760.23x = 642,340,239,570.49 - Step 5: Solve for x
x = 642,340,239,570.49/875,760.23 - Step 6: Final answer
x = 733,465.87
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1.5x scale
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.