Finding the Fourth Proportional to 985,455.75, 1,359,932.18 and 532,749.99
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Solution
The fourth proportional to 985,455.75, 1,359,932.18 and 532,749.99 is: 735,196.74
Step by Step Solution
- Step 1: Write the proportion equation
985,455.75 : 1,359,932.18 = 532,749.99 : x - Step 2: Convert to fraction form
985,455.75/1,359,932.18 = 532,749.99/x - Step 3: Cross multiply
985,455.75x = 1,359,932.18 × 532,749.99 - Step 4: Simplify right side
985,455.75x = 724,503,852,631.93 - Step 5: Solve for x
x = 724,503,852,631.93/985,455.75 - Step 6: Final answer
x = 735,196.74
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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.