Finding the Fourth Proportional to 990,045.96, 1,366,263.09 and 537,336.96
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Solution
The fourth proportional to 990,045.96, 1,366,263.09 and 537,336.96 is: 741,524.82
Step by Step Solution
- Step 1: Write the proportion equation
990,045.96 : 1,366,263.09 = 537,336.96 : x - Step 2: Convert to fraction form
990,045.96/1,366,263.09 = 537,336.96/x - Step 3: Cross multiply
990,045.96x = 1,366,263.09 × 537,336.96 - Step 4: Simplify right side
990,045.96x = 734,143,655,340.81 - Step 5: Solve for x
x = 734,143,655,340.81/990,045.96 - Step 6: Final answer
x = 741,524.82
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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.