Finding the Fourth Proportional to 504,037.80, 756,056.70 and 457,381.80
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Solution
The fourth proportional to 504,037.80, 756,056.70 and 457,381.80 is: 686,072.70
Step by Step Solution
- Step 1: Write the proportion equation
504,037.80 : 756,056.70 = 457,381.80 : x - Step 2: Convert to fraction form
504,037.80/756,056.70 = 457,381.80/x - Step 3: Cross multiply
504,037.80x = 756,056.70 × 457,381.80 - Step 4: Simplify right side
504,037.80x = 345,806,574,348.06 - Step 5: Solve for x
x = 345,806,574,348.06/504,037.80 - Step 6: Final answer
x = 686,072.70
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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.