Finding the Fourth Proportional to 699,497.70, 1,049,246.55 and 641,177.70
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Solution
The fourth proportional to 699,497.70, 1,049,246.55 and 641,177.70 is: 961,766.55
Step by Step Solution
- Step 1: Write the proportion equation
699,497.70 : 1,049,246.55 = 641,177.70 : x - Step 2: Convert to fraction form
699,497.70/1,049,246.55 = 641,177.70/x - Step 3: Cross multiply
699,497.70x = 1,049,246.55 × 641,177.70 - Step 4: Simplify right side
699,497.70x = 672,753,489,661.94 - Step 5: Solve for x
x = 672,753,489,661.94/699,497.70 - Step 6: Final answer
x = 961,766.55
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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.