Finding the Fourth Proportional to 852,548.20, 1,176,516.62 and 470,575.09
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Solution
The fourth proportional to 852,548.20, 1,176,516.62 and 470,575.09 is: 649,393.67
Step by Step Solution
- Step 1: Write the proportion equation
852,548.20 : 1,176,516.62 = 470,575.09 : x - Step 2: Convert to fraction form
852,548.20/1,176,516.62 = 470,575.09/x - Step 3: Cross multiply
852,548.20x = 1,176,516.62 × 470,575.09 - Step 4: Simplify right side
852,548.20x = 553,639,409,931.01 - Step 5: Solve for x
x = 553,639,409,931.01/852,548.20 - Step 6: Final answer
x = 649,393.67
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1.5x scale
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.