Finding the Fourth Proportional to 692,695.70, 1,039,043.55 and 468,163.70
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Solution
The fourth proportional to 692,695.70, 1,039,043.55 and 468,163.70 is: 702,245.55
Step by Step Solution
- Step 1: Write the proportion equation
692,695.70 : 1,039,043.55 = 468,163.70 : x - Step 2: Convert to fraction form
692,695.70/1,039,043.55 = 468,163.70/x - Step 3: Cross multiply
692,695.70x = 1,039,043.55 × 468,163.70 - Step 4: Simplify right side
692,695.70x = 486,442,472,829.14 - Step 5: Solve for x
x = 486,442,472,829.14/692,695.70 - Step 6: Final answer
x = 702,245.55
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1.5x scale
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.