Finding the Fourth Proportional to 852,483.86, 1,176,343.98 and 470,485.97
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Solution
The fourth proportional to 852,483.86, 1,176,343.98 and 470,485.97 is: 649,224.42
Step by Step Solution
- Step 1: Write the proportion equation
852,483.86 : 1,176,343.98 = 470,485.97 : x - Step 2: Convert to fraction form
852,483.86/1,176,343.98 = 470,485.97/x - Step 3: Cross multiply
852,483.86x = 1,176,343.98 × 470,485.97 - Step 4: Simplify right side
852,483.86x = 553,453,339,072.39 - Step 5: Solve for x
x = 553,453,339,072.39/852,483.86 - Step 6: Final answer
x = 649,224.42
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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.