Finding the Fourth Proportional to 777,948.40, 1,167,010.16 and 245,311.84
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Solution
The fourth proportional to 777,948.40, 1,167,010.16 and 245,311.84 is: 367,995.37
Step by Step Solution
- Step 1: Write the proportion equation
777,948.40 : 1,167,010.16 = 245,311.84 : x - Step 2: Convert to fraction form
777,948.40/1,167,010.16 = 245,311.84/x - Step 3: Cross multiply
777,948.40x = 1,167,010.16 × 245,311.84 - Step 4: Simplify right side
777,948.40x = 286,281,409,648.29 - Step 5: Solve for x
x = 286,281,409,648.29/777,948.40 - Step 6: Final answer
x = 367,995.37
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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.