Finding the Fourth Proportional to 829,445.28, 1,244,124.18 and 408,579
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Solution
The fourth proportional to 829,445.28, 1,244,124.18 and 408,579 is: 612,846.95
Step by Step Solution
- Step 1: Write the proportion equation
829,445.28 : 1,244,124.18 = 408,579 : x - Step 2: Convert to fraction form
829,445.28/1,244,124.18 = 408,579/x - Step 3: Cross multiply
829,445.28x = 1,244,124.18 × 408,579 - Step 4: Simplify right side
829,445.28x = 508,323,013,340.22 - Step 5: Solve for x
x = 508,323,013,340.22/829,445.28 - Step 6: Final answer
x = 612,846.95
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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.