Finding the Fourth Proportional to 927,759.24, 1,280,276.78 and 514,278.65
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Solution
The fourth proportional to 927,759.24, 1,280,276.78 and 514,278.65 is: 709,687.37
Step by Step Solution
- Step 1: Write the proportion equation
927,759.24 : 1,280,276.78 = 514,278.65 : x - Step 2: Convert to fraction form
927,759.24/1,280,276.78 = 514,278.65/x - Step 3: Cross multiply
927,759.24x = 1,280,276.78 × 514,278.65 - Step 4: Simplify right side
927,759.24x = 658,419,014,674.05 - Step 5: Solve for x
x = 658,419,014,674.05/927,759.24 - Step 6: Final answer
x = 709,687.37
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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.