Finding the Fourth Proportional to 726,062.75, 1,088,950.55 and 690,056.49
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Solution
The fourth proportional to 726,062.75, 1,088,950.55 and 690,056.49 is: 1,034,948.28
Step by Step Solution
- Step 1: Write the proportion equation
726,062.75 : 1,088,950.55 = 690,056.49 : x - Step 2: Convert to fraction form
726,062.75/1,088,950.55 = 690,056.49/x - Step 3: Cross multiply
726,062.75x = 1,088,950.55 × 690,056.49 - Step 4: Simplify right side
726,062.75x = 751,437,390,866.29 - Step 5: Solve for x
x = 751,437,390,866.29/726,062.75 - Step 6: Final answer
x = 1,034,948.28
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.