Finding the Fourth Proportional to 664,337.80, 996,506.70 and 652,673.80
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Solution
The fourth proportional to 664,337.80, 996,506.70 and 652,673.80 is: 979,010.70
Step by Step Solution
- Step 1: Write the proportion equation
664,337.80 : 996,506.70 = 652,673.80 : x - Step 2: Convert to fraction form
664,337.80/996,506.70 = 652,673.80/x - Step 3: Cross multiply
664,337.80x = 996,506.70 × 652,673.80 - Step 4: Simplify right side
664,337.80x = 650,393,814,614.46 - Step 5: Solve for x
x = 650,393,814,614.46/664,337.80 - Step 6: Final answer
x = 979,010.70
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Double scale
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Similar ratio
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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.