Finding the Fourth Proportional to 852,343.20, 1,277,629.20 and 346,687.20
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Solution
The fourth proportional to 852,343.20, 1,277,629.20 and 346,687.20 is: 519,670.59
Step by Step Solution
- Step 1: Write the proportion equation
852,343.20 : 1,277,629.20 = 346,687.20 : x - Step 2: Convert to fraction form
852,343.20/1,277,629.20 = 346,687.20/x - Step 3: Cross multiply
852,343.20x = 1,277,629.20 × 346,687.20 - Step 4: Simplify right side
852,343.20x = 442,937,689,986.24 - Step 5: Solve for x
x = 442,937,689,986.24/852,343.20 - Step 6: Final answer
x = 519,670.59
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.