Finding the Fourth Proportional to 712,366.45, 983,067.23 and 385,682.99
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Solution
The fourth proportional to 712,366.45, 983,067.23 and 385,682.99 is: 532,243.35
Step by Step Solution
- Step 1: Write the proportion equation
712,366.45 : 983,067.23 = 385,682.99 : x - Step 2: Convert to fraction form
712,366.45/983,067.23 = 385,682.99/x - Step 3: Cross multiply
712,366.45x = 983,067.23 × 385,682.99 - Step 4: Simplify right side
712,366.45x = 379,152,304,686.29 - Step 5: Solve for x
x = 379,152,304,686.29/712,366.45 - Step 6: Final answer
x = 532,243.35
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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.