Finding the Fourth Proportional to 635,937.20, 877,401.96 and 381,195.44
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Solution
The fourth proportional to 635,937.20, 877,401.96 and 381,195.44 is: 525,934.99
Step by Step Solution
- Step 1: Write the proportion equation
635,937.20 : 877,401.96 = 381,195.44 : x - Step 2: Convert to fraction form
635,937.20/877,401.96 = 381,195.44/x - Step 3: Cross multiply
635,937.20x = 877,401.96 × 381,195.44 - Step 4: Simplify right side
635,937.20x = 334,461,626,199.06 - Step 5: Solve for x
x = 334,461,626,199.06/635,937.20 - Step 6: Final answer
x = 525,934.99
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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.