Finding the Fourth Proportional to 674,227.20, 930,436.68 and 368,307.84
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Solution
The fourth proportional to 674,227.20, 930,436.68 and 368,307.84 is: 508,266.54
Step by Step Solution
- Step 1: Write the proportion equation
674,227.20 : 930,436.68 = 368,307.84 : x - Step 2: Convert to fraction form
674,227.20/930,436.68 = 368,307.84/x - Step 3: Cross multiply
674,227.20x = 930,436.68 × 368,307.84 - Step 4: Simplify right side
674,227.20x = 342,687,123,867.57 - Step 5: Solve for x
x = 342,687,123,867.57/674,227.20 - Step 6: Final answer
x = 508,266.54
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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.