Finding the Fourth Proportional to 773,968.21, 1,160,958.80 and 213,033.49
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Solution
The fourth proportional to 773,968.21, 1,160,958.80 and 213,033.49 is: 319,552.02
Step by Step Solution
- Step 1: Write the proportion equation
773,968.21 : 1,160,958.80 = 213,033.49 : x - Step 2: Convert to fraction form
773,968.21/1,160,958.80 = 213,033.49/x - Step 3: Cross multiply
773,968.21x = 1,160,958.80 × 213,033.49 - Step 4: Simplify right side
773,968.21x = 247,323,104,910.21 - Step 5: Solve for x
x = 247,323,104,910.21/773,968.21 - Step 6: Final answer
x = 319,552.02
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.