Finding the Fourth Proportional to 827,519.23, 1,142,486.02 and 656,129.50
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Solution
The fourth proportional to 827,519.23, 1,142,486.02 and 656,129.50 is: 905,862.68
Step by Step Solution
- Step 1: Write the proportion equation
827,519.23 : 1,142,486.02 = 656,129.50 : x - Step 2: Convert to fraction form
827,519.23/1,142,486.02 = 656,129.50/x - Step 3: Cross multiply
827,519.23x = 1,142,486.02 × 656,129.50 - Step 4: Simplify right side
827,519.23x = 749,618,781,759.29 - Step 5: Solve for x
x = 749,618,781,759.29/827,519.23 - Step 6: Final answer
x = 905,862.68
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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.