Finding the Fourth Proportional to 890,329.80, 1,228,717.48 and 503,180.99
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Solution
The fourth proportional to 890,329.80, 1,228,717.48 and 503,180.99 is: 694,425.00
Step by Step Solution
- Step 1: Write the proportion equation
890,329.80 : 1,228,717.48 = 503,180.99 : x - Step 2: Convert to fraction form
890,329.80/1,228,717.48 = 503,180.99/x - Step 3: Cross multiply
890,329.80x = 1,228,717.48 × 503,180.99 - Step 4: Simplify right side
890,329.80x = 618,267,271,295.36 - Step 5: Solve for x
x = 618,267,271,295.36/890,329.80 - Step 6: Final answer
x = 694,425.00
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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.