Finding the Fourth Proportional to 930,231.20, 1,283,702.70 and 522,336.26
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Solution
The fourth proportional to 930,231.20, 1,283,702.70 and 522,336.26 is: 720,814.85
Step by Step Solution
- Step 1: Write the proportion equation
930,231.20 : 1,283,702.70 = 522,336.26 : x - Step 2: Convert to fraction form
930,231.20/1,283,702.70 = 522,336.26/x - Step 3: Cross multiply
930,231.20x = 1,283,702.70 × 522,336.26 - Step 4: Simplify right side
930,231.20x = 670,524,467,269.90 - Step 5: Solve for x
x = 670,524,467,269.90/930,231.20 - Step 6: Final answer
x = 720,814.85
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1.5x scale
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.