Finding the Fourth Proportional to 875,458.41, 1,208,151.09 and 493,485.09
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Solution
The fourth proportional to 875,458.41, 1,208,151.09 and 493,485.09 is: 681,019.84
Step by Step Solution
- Step 1: Write the proportion equation
875,458.41 : 1,208,151.09 = 493,485.09 : x - Step 2: Convert to fraction form
875,458.41/1,208,151.09 = 493,485.09/x - Step 3: Cross multiply
875,458.41x = 1,208,151.09 × 493,485.09 - Step 4: Simplify right side
875,458.41x = 596,204,549,382.25 - Step 5: Solve for x
x = 596,204,549,382.25/875,458.41 - Step 6: Final answer
x = 681,019.84
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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.