Finding the Fourth Proportional to 852,790.56, 1,176,852.72 and 470,818.08
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Solution
The fourth proportional to 852,790.56, 1,176,852.72 and 470,818.08 is: 649,729.92
Step by Step Solution
- Step 1: Write the proportion equation
852,790.56 : 1,176,852.72 = 470,818.08 : x - Step 2: Convert to fraction form
852,790.56/1,176,852.72 = 470,818.08/x - Step 3: Cross multiply
852,790.56x = 1,176,852.72 × 470,818.08 - Step 4: Simplify right side
852,790.56x = 554,083,538,073.18 - Step 5: Solve for x
x = 554,083,538,073.18/852,790.56 - Step 6: Final answer
x = 649,729.92
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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.