Finding the Fourth Proportional to 864,604.95, 1,193,105.34 and 482,655.93
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Solution
The fourth proportional to 864,604.95, 1,193,105.34 and 482,655.93 is: 666,037.56
Step by Step Solution
- Step 1: Write the proportion equation
864,604.95 : 1,193,105.34 = 482,655.93 : x - Step 2: Convert to fraction form
864,604.95/1,193,105.34 = 482,655.93/x - Step 3: Cross multiply
864,604.95x = 1,193,105.34 × 482,655.93 - Step 4: Simplify right side
864,604.95x = 575,859,367,465.67 - Step 5: Solve for x
x = 575,859,367,465.67/864,604.95 - Step 6: Final answer
x = 666,037.56
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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.