Finding the Fourth Proportional to 927,510.26, 1,279,961.30 and 514,073.40
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Solution
The fourth proportional to 927,510.26, 1,279,961.30 and 514,073.40 is: 709,419.70
Step by Step Solution
- Step 1: Write the proportion equation
927,510.26 : 1,279,961.30 = 514,073.40 : x - Step 2: Convert to fraction form
927,510.26/1,279,961.30 = 514,073.40/x - Step 3: Cross multiply
927,510.26x = 1,279,961.30 × 514,073.40 - Step 4: Simplify right side
927,510.26x = 657,994,050,953.09 - Step 5: Solve for x
x = 657,994,050,953.09/927,510.26 - Step 6: Final answer
x = 709,419.70
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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.