Finding the Fourth Proportional to 395,933.80, 593,900.70 and 372,605.80
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Solution
The fourth proportional to 395,933.80, 593,900.70 and 372,605.80 is: 558,908.70
Step by Step Solution
- Step 1: Write the proportion equation
395,933.80 : 593,900.70 = 372,605.80 : x - Step 2: Convert to fraction form
395,933.80/593,900.70 = 372,605.80/x - Step 3: Cross multiply
395,933.80x = 593,900.70 × 372,605.80 - Step 4: Simplify right side
395,933.80x = 221,290,845,444.06 - Step 5: Solve for x
x = 221,290,845,444.06/395,933.80 - Step 6: Final answer
x = 558,908.70
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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.