Finding the Fourth Proportional to 767,176.14, 1,059,156.70 and 682,057.70
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Solution
The fourth proportional to 767,176.14, 1,059,156.70 and 682,057.70 is: 941,642.92
Step by Step Solution
- Step 1: Write the proportion equation
767,176.14 : 1,059,156.70 = 682,057.70 : x - Step 2: Convert to fraction form
767,176.14/1,059,156.70 = 682,057.70/x - Step 3: Cross multiply
767,176.14x = 1,059,156.70 × 682,057.70 - Step 4: Simplify right side
767,176.14x = 722,405,982,741.59 - Step 5: Solve for x
x = 722,405,982,741.59/767,176.14 - Step 6: Final answer
x = 941,642.92
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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.