Finding the Fourth Proportional to 852,871.68, 1,271,548.45 and 757,025.49
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Solution
The fourth proportional to 852,871.68, 1,271,548.45 and 757,025.49 is: 1,128,651.14
Step by Step Solution
- Step 1: Write the proportion equation
852,871.68 : 1,271,548.45 = 757,025.49 : x - Step 2: Convert to fraction form
852,871.68/1,271,548.45 = 757,025.49/x - Step 3: Cross multiply
852,871.68x = 1,271,548.45 × 757,025.49 - Step 4: Simplify right side
852,871.68x = 962,594,596,263.71 - Step 5: Solve for x
x = 962,594,596,263.71/852,871.68 - Step 6: Final answer
x = 1,128,651.14
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.