Finding the Fourth Proportional to 461,881.10, 692,821.65 and 440,229.80
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Solution
The fourth proportional to 461,881.10, 692,821.65 and 440,229.80 is: 660,344.70
Step by Step Solution
- Step 1: Write the proportion equation
461,881.10 : 692,821.65 = 440,229.80 : x - Step 2: Convert to fraction form
461,881.10/692,821.65 = 440,229.80/x - Step 3: Cross multiply
461,881.10x = 692,821.65 × 440,229.80 - Step 4: Simplify right side
461,881.10x = 305,000,736,415.17 - Step 5: Solve for x
x = 305,000,736,415.17/461,881.10 - Step 6: Final answer
x = 660,344.70
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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.