Finding the Fourth Proportional to 856,977.17, 1,179,936.13 and 727,646.09
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Solution
The fourth proportional to 856,977.17, 1,179,936.13 and 727,646.09 is: 1,001,865.55
Step by Step Solution
- Step 1: Write the proportion equation
856,977.17 : 1,179,936.13 = 727,646.09 : x - Step 2: Convert to fraction form
856,977.17/1,179,936.13 = 727,646.09/x - Step 3: Cross multiply
856,977.17x = 1,179,936.13 × 727,646.09 - Step 4: Simplify right side
856,977.17x = 858,575,907,806.00 - Step 5: Solve for x
x = 858,575,907,806.00/856,977.17 - Step 6: Final answer
x = 1,001,865.55
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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.