Finding the Fourth Proportional to 603,701.80, 905,552.70 and 288,773.80
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Solution
The fourth proportional to 603,701.80, 905,552.70 and 288,773.80 is: 433,160.70
Step by Step Solution
- Step 1: Write the proportion equation
603,701.80 : 905,552.70 = 288,773.80 : x - Step 2: Convert to fraction form
603,701.80/905,552.70 = 288,773.80/x - Step 3: Cross multiply
603,701.80x = 905,552.70 × 288,773.80 - Step 4: Simplify right side
603,701.80x = 261,499,894,279.26 - Step 5: Solve for x
x = 261,499,894,279.26/603,701.80 - Step 6: Final answer
x = 433,160.70
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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.