Finding the Fourth Proportional to 930,644.84, 1,396,247.52 and 331,527.80
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Solution
The fourth proportional to 930,644.84, 1,396,247.52 and 331,527.80 is: 497,391.54
Step by Step Solution
- Step 1: Write the proportion equation
930,644.84 : 1,396,247.52 = 331,527.80 : x - Step 2: Convert to fraction form
930,644.84/1,396,247.52 = 331,527.80/x - Step 3: Cross multiply
930,644.84x = 1,396,247.52 × 331,527.80 - Step 4: Simplify right side
930,644.84x = 462,894,868,561.06 - Step 5: Solve for x
x = 462,894,868,561.06/930,644.84 - Step 6: Final answer
x = 497,391.54
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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.