Finding the Fourth Proportional to 503,423.40, 755,135.10 and 484,069.80
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Solution
The fourth proportional to 503,423.40, 755,135.10 and 484,069.80 is: 726,104.70
Step by Step Solution
- Step 1: Write the proportion equation
503,423.40 : 755,135.10 = 484,069.80 : x - Step 2: Convert to fraction form
503,423.40/755,135.10 = 484,069.80/x - Step 3: Cross multiply
503,423.40x = 755,135.10 × 484,069.80 - Step 4: Simplify right side
503,423.40x = 365,538,096,829.98 - Step 5: Solve for x
x = 365,538,096,829.98/503,423.40 - Step 6: Final answer
x = 726,104.70
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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.