Finding the Fourth Proportional to 762,640.53, 1,050,423.62 and 568,425.84
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Solution
The fourth proportional to 762,640.53, 1,050,423.62 and 568,425.84 is: 782,921.84
Step by Step Solution
- Step 1: Write the proportion equation
762,640.53 : 1,050,423.62 = 568,425.84 : x - Step 2: Convert to fraction form
762,640.53/1,050,423.62 = 568,425.84/x - Step 3: Cross multiply
762,640.53x = 1,050,423.62 × 568,425.84 - Step 4: Simplify right side
762,640.53x = 597,087,925,712.21 - Step 5: Solve for x
x = 597,087,925,712.21/762,640.53 - Step 6: Final answer
x = 782,921.84
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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.