Finding the Fourth Proportional to 986,431.74, 1,361,129.85 and 599,045.70
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Solution
The fourth proportional to 986,431.74, 1,361,129.85 and 599,045.70 is: 826,594.43
Step by Step Solution
- Step 1: Write the proportion equation
986,431.74 : 1,361,129.85 = 599,045.70 : x - Step 2: Convert to fraction form
986,431.74/1,361,129.85 = 599,045.70/x - Step 3: Cross multiply
986,431.74x = 1,361,129.85 × 599,045.70 - Step 4: Simplify right side
986,431.74x = 815,378,983,784.15 - Step 5: Solve for x
x = 815,378,983,784.15/986,431.74 - Step 6: Final answer
x = 826,594.43
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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.