Finding the Fourth Proportional to 852,563.68, 1,176,453.96 and 470,565.68
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Solution
The fourth proportional to 852,563.68, 1,176,453.96 and 470,565.68 is: 649,334.32
Step by Step Solution
- Step 1: Write the proportion equation
852,563.68 : 1,176,453.96 = 470,565.68 : x - Step 2: Convert to fraction form
852,563.68/1,176,453.96 = 470,565.68/x - Step 3: Cross multiply
852,563.68x = 1,176,453.96 × 470,565.68 - Step 4: Simplify right side
852,563.68x = 553,598,857,676.09 - Step 5: Solve for x
x = 553,598,857,676.09/852,563.68 - Step 6: Final answer
x = 649,334.32
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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.