Finding the Fourth Proportional to 875,487.09, 1,208,174.18 and 493,513.87
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Solution
The fourth proportional to 875,487.09, 1,208,174.18 and 493,513.87 is: 681,050.26
Step by Step Solution
- Step 1: Write the proportion equation
875,487.09 : 1,208,174.18 = 493,513.87 : x - Step 2: Convert to fraction form
875,487.09/1,208,174.18 = 493,513.87/x - Step 3: Cross multiply
875,487.09x = 1,208,174.18 × 493,513.87 - Step 4: Simplify right side
875,487.09x = 596,250,712,738.31 - Step 5: Solve for x
x = 596,250,712,738.31/875,487.09 - Step 6: Final answer
x = 681,050.26
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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.