Finding the Fourth Proportional to 824,910.23, 1,138,535.76 and 537,932.09
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Solution
The fourth proportional to 824,910.23, 1,138,535.76 and 537,932.09 is: 742,450.39
Step by Step Solution
- Step 1: Write the proportion equation
824,910.23 : 1,138,535.76 = 537,932.09 : x - Step 2: Convert to fraction form
824,910.23/1,138,535.76 = 537,932.09/x - Step 3: Cross multiply
824,910.23x = 1,138,535.76 × 537,932.09 - Step 4: Simplify right side
824,910.23x = 612,454,915,223.86 - Step 5: Solve for x
x = 612,454,915,223.86/824,910.23 - Step 6: Final answer
x = 742,450.39
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1.5x scale
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.