Finding the Fourth Proportional to 586,141.76, 808,893.60 and 331,487.48
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Solution
The fourth proportional to 586,141.76, 808,893.60 and 331,487.48 is: 457,462.89
Step by Step Solution
- Step 1: Write the proportion equation
586,141.76 : 808,893.60 = 331,487.48 : x - Step 2: Convert to fraction form
586,141.76/808,893.60 = 331,487.48/x - Step 3: Cross multiply
586,141.76x = 808,893.60 × 331,487.48 - Step 4: Simplify right side
586,141.76x = 268,138,101,052.13 - Step 5: Solve for x
x = 268,138,101,052.13/586,141.76 - Step 6: Final answer
x = 457,462.89
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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.