Finding the Fourth Proportional to 876,004.12, 1,208,887.14 and 473,596.12
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Solution
The fourth proportional to 876,004.12, 1,208,887.14 and 473,596.12 is: 653,563.43
Step by Step Solution
- Step 1: Write the proportion equation
876,004.12 : 1,208,887.14 = 473,596.12 : x - Step 2: Convert to fraction form
876,004.12/1,208,887.14 = 473,596.12/x - Step 3: Cross multiply
876,004.12x = 1,208,887.14 × 473,596.12 - Step 4: Simplify right side
876,004.12x = 572,524,259,021.90 - Step 5: Solve for x
x = 572,524,259,021.90/876,004.12 - Step 6: Final answer
x = 653,563.43
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.