Finding the Fourth Proportional to 852,623.20, 1,176,620.24 and 470,649.98
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Solution
The fourth proportional to 852,623.20, 1,176,620.24 and 470,649.98 is: 649,497.10
Step by Step Solution
- Step 1: Write the proportion equation
852,623.20 : 1,176,620.24 = 470,649.98 : x - Step 2: Convert to fraction form
852,623.20/1,176,620.24 = 470,649.98/x - Step 3: Cross multiply
852,623.20x = 1,176,620.24 × 470,649.98 - Step 4: Simplify right side
852,623.20x = 553,776,292,423.60 - Step 5: Solve for x
x = 553,776,292,423.60/852,623.20 - Step 6: Final answer
x = 649,497.10
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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.