Finding the Fourth Proportional to 810,266.09, 1,118,137.16 and 447,682.14
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Solution
The fourth proportional to 810,266.09, 1,118,137.16 and 447,682.14 is: 617,784.76
Step by Step Solution
- Step 1: Write the proportion equation
810,266.09 : 1,118,137.16 = 447,682.14 : x - Step 2: Convert to fraction form
810,266.09/1,118,137.16 = 447,682.14/x - Step 3: Cross multiply
810,266.09x = 1,118,137.16 × 447,682.14 - Step 4: Simplify right side
810,266.09x = 500,570,037,721.53 - Step 5: Solve for x
x = 500,570,037,721.53/810,266.09 - Step 6: Final answer
x = 617,784.76
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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.