Finding the Fourth Proportional to 670,634.92, 925,493.70 and 368,836.84
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Solution
The fourth proportional to 670,634.92, 925,493.70 and 368,836.84 is: 509,004.47
Step by Step Solution
- Step 1: Write the proportion equation
670,634.92 : 925,493.70 = 368,836.84 : x - Step 2: Convert to fraction form
670,634.92/925,493.70 = 368,836.84/x - Step 3: Cross multiply
670,634.92x = 925,493.70 × 368,836.84 - Step 4: Simplify right side
670,634.92x = 341,356,171,747.91 - Step 5: Solve for x
x = 341,356,171,747.91/670,634.92 - Step 6: Final answer
x = 509,004.47
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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.