Finding the Fourth Proportional to 931,677.18, 1,397,171.97 and 332,478.06
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Solution
The fourth proportional to 931,677.18, 1,397,171.97 and 332,478.06 is: 498,594.40
Step by Step Solution
- Step 1: Write the proportion equation
931,677.18 : 1,397,171.97 = 332,478.06 : x - Step 2: Convert to fraction form
931,677.18/1,397,171.97 = 332,478.06/x - Step 3: Cross multiply
931,677.18x = 1,397,171.97 × 332,478.06 - Step 4: Simplify right side
931,677.18x = 464,529,026,071.98 - Step 5: Solve for x
x = 464,529,026,071.98/931,677.18 - Step 6: Final answer
x = 498,594.40
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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.