Finding the Fourth Proportional to 454,363.23, 626,653.18 and 399,797.58
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Solution
The fourth proportional to 454,363.23, 626,653.18 and 399,797.58 is: 551,396.79
Step by Step Solution
- Step 1: Write the proportion equation
454,363.23 : 626,653.18 = 399,797.58 : x - Step 2: Convert to fraction form
454,363.23/626,653.18 = 399,797.58/x - Step 3: Cross multiply
454,363.23x = 626,653.18 × 399,797.58 - Step 4: Simplify right side
454,363.23x = 250,534,424,863.30 - Step 5: Solve for x
x = 250,534,424,863.30/454,363.23 - Step 6: Final answer
x = 551,396.79
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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.