Finding the Fourth Proportional to 531,302.65, 733,191.18 and 289,584.46
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Solution
The fourth proportional to 531,302.65, 733,191.18 and 289,584.46 is: 399,623.02
Step by Step Solution
- Step 1: Write the proportion equation
531,302.65 : 733,191.18 = 289,584.46 : x - Step 2: Convert to fraction form
531,302.65/733,191.18 = 289,584.46/x - Step 3: Cross multiply
531,302.65x = 733,191.18 × 289,584.46 - Step 4: Simplify right side
531,302.65x = 212,320,771,937.06 - Step 5: Solve for x
x = 212,320,771,937.06/531,302.65 - Step 6: Final answer
x = 399,623.02
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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.