Finding the Fourth Proportional to 586,213.76, 808,992.60 and 331,559.84
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Solution
The fourth proportional to 586,213.76, 808,992.60 and 331,559.84 is: 457,562.54
Step by Step Solution
- Step 1: Write the proportion equation
586,213.76 : 808,992.60 = 331,559.84 : x - Step 2: Convert to fraction form
586,213.76/808,992.60 = 331,559.84/x - Step 3: Cross multiply
586,213.76x = 808,992.60 × 331,559.84 - Step 4: Simplify right side
586,213.76x = 268,229,457,017.18 - Step 5: Solve for x
x = 268,229,457,017.18/586,213.76 - Step 6: Final answer
x = 457,562.54
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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.