Finding the Fourth Proportional to 851,596, 1,277,394.21 and 346,431.81
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Solution
The fourth proportional to 851,596, 1,277,394.21 and 346,431.81 is: 519,647.80
Step by Step Solution
- Step 1: Write the proportion equation
851,596 : 1,277,394.21 = 346,431.81 : x - Step 2: Convert to fraction form
851,596/1,277,394.21 = 346,431.81/x - Step 3: Cross multiply
851,596x = 1,277,394.21 × 346,431.81 - Step 4: Simplify right side
851,596x = 442,529,988,253.82 - Step 5: Solve for x
x = 442,529,988,253.82/851,596 - Step 6: Final answer
x = 519,647.80
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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.