Finding the Fourth Proportional to 709,701.26, 1,063,461.57 and 481,700.36
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Solution
The fourth proportional to 709,701.26, 1,063,461.57 and 481,700.36 is: 721,810.50
Step by Step Solution
- Step 1: Write the proportion equation
709,701.26 : 1,063,461.57 = 481,700.36 : x - Step 2: Convert to fraction form
709,701.26/1,063,461.57 = 481,700.36/x - Step 3: Cross multiply
709,701.26x = 1,063,461.57 × 481,700.36 - Step 4: Simplify right side
709,701.26x = 512,269,815,797.86 - Step 5: Solve for x
x = 512,269,815,797.86/709,701.26 - Step 6: Final answer
x = 721,810.50
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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.