Finding the Fourth Proportional to 546,393.51, 753,599.07 and 485,204.07
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Solution
The fourth proportional to 546,393.51, 753,599.07 and 485,204.07 is: 669,205.12
Step by Step Solution
- Step 1: Write the proportion equation
546,393.51 : 753,599.07 = 485,204.07 : x - Step 2: Convert to fraction form
546,393.51/753,599.07 = 485,204.07/x - Step 3: Cross multiply
546,393.51x = 753,599.07 × 485,204.07 - Step 4: Simplify right side
546,393.51x = 365,649,335,912.22 - Step 5: Solve for x
x = 365,649,335,912.22/546,393.51 - Step 6: Final answer
x = 669,205.12
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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.