Finding the Fourth Proportional to 484,469.80, 726,827.58 and 318,581.80
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Solution
The fourth proportional to 484,469.80, 726,827.58 and 318,581.80 is: 477,953.50
Step by Step Solution
- Step 1: Write the proportion equation
484,469.80 : 726,827.58 = 318,581.80 : x - Step 2: Convert to fraction form
484,469.80/726,827.58 = 318,581.80/x - Step 3: Cross multiply
484,469.80x = 726,827.58 × 318,581.80 - Step 4: Simplify right side
484,469.80x = 231,554,038,726.04 - Step 5: Solve for x
x = 231,554,038,726.04/484,469.80 - Step 6: Final answer
x = 477,953.50
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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.