Finding the Fourth Proportional to 395,990.10, 593,000.99 and 362,393.67
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Solution
The fourth proportional to 395,990.10, 593,000.99 and 362,393.67 is: 542,689.83
Step by Step Solution
- Step 1: Write the proportion equation
395,990.10 : 593,000.99 = 362,393.67 : x - Step 2: Convert to fraction form
395,990.10/593,000.99 = 362,393.67/x - Step 3: Cross multiply
395,990.10x = 593,000.99 × 362,393.67 - Step 4: Simplify right side
395,990.10x = 214,899,801,208.74 - Step 5: Solve for x
x = 214,899,801,208.74/395,990.10 - Step 6: Final answer
x = 542,689.83
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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.