Finding the Fourth Proportional to 586,092.20, 879,138.30 and 349,701.80
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Solution
The fourth proportional to 586,092.20, 879,138.30 and 349,701.80 is: 524,552.70
Step by Step Solution
- Step 1: Write the proportion equation
586,092.20 : 879,138.30 = 349,701.80 : x - Step 2: Convert to fraction form
586,092.20/879,138.30 = 349,701.80/x - Step 3: Cross multiply
586,092.20x = 879,138.30 × 349,701.80 - Step 4: Simplify right side
586,092.20x = 307,436,245,958.94 - Step 5: Solve for x
x = 307,436,245,958.94/586,092.20 - Step 6: Final answer
x = 524,552.70
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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.