Finding the Fourth Proportional to 893,559.17, 1,233,121.11 and 485,661.05
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Solution
The fourth proportional to 893,559.17, 1,233,121.11 and 485,661.05 is: 670,217.39
Step by Step Solution
- Step 1: Write the proportion equation
893,559.17 : 1,233,121.11 = 485,661.05 : x - Step 2: Convert to fraction form
893,559.17/1,233,121.11 = 485,661.05/x - Step 3: Cross multiply
893,559.17x = 1,233,121.11 × 485,661.05 - Step 4: Simplify right side
893,559.17x = 598,878,893,059.77 - Step 5: Solve for x
x = 598,878,893,059.77/893,559.17 - Step 6: Final answer
x = 670,217.39
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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.