Finding the Fourth Proportional to 810,273.34, 1,118,199.77 and 447,720.68
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Solution
The fourth proportional to 810,273.34, 1,118,199.77 and 447,720.68 is: 617,867.00
Step by Step Solution
- Step 1: Write the proportion equation
810,273.34 : 1,118,199.77 = 447,720.68 : x - Step 2: Convert to fraction form
810,273.34/1,118,199.77 = 447,720.68/x - Step 3: Cross multiply
810,273.34x = 1,118,199.77 × 447,720.68 - Step 4: Simplify right side
810,273.34x = 500,641,161,400.24 - Step 5: Solve for x
x = 500,641,161,400.24/810,273.34 - Step 6: Final answer
x = 617,867.00
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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.