Finding the Fourth Proportional to 761,573.26, 1,051,086.89 and 486,049.99
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Solution
The fourth proportional to 761,573.26, 1,051,086.89 and 486,049.99 is: 670,822.89
Step by Step Solution
- Step 1: Write the proportion equation
761,573.26 : 1,051,086.89 = 486,049.99 : x - Step 2: Convert to fraction form
761,573.26/1,051,086.89 = 486,049.99/x - Step 3: Cross multiply
761,573.26x = 1,051,086.89 × 486,049.99 - Step 4: Simplify right side
761,573.26x = 510,880,772,931.83 - Step 5: Solve for x
x = 510,880,772,931.83/761,573.26 - Step 6: Final answer
x = 670,822.89
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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.