Finding the Fourth Proportional to 875,459.07, 1,208,152.00 and 493,485.75
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Solution
The fourth proportional to 875,459.07, 1,208,152.00 and 493,485.75 is: 681,020.75
Step by Step Solution
- Step 1: Write the proportion equation
875,459.07 : 1,208,152.00 = 493,485.75 : x - Step 2: Convert to fraction form
875,459.07/1,208,152.00 = 493,485.75/x - Step 3: Cross multiply
875,459.07x = 1,208,152.00 × 493,485.75 - Step 4: Simplify right side
875,459.07x = 596,205,794,600.29 - Step 5: Solve for x
x = 596,205,794,600.29/875,459.07 - Step 6: Final answer
x = 681,020.75
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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.