Finding the Fourth Proportional to 887,324.70, 1,330,987.05 and 414,932.70
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Solution
The fourth proportional to 887,324.70, 1,330,987.05 and 414,932.70 is: 622,399.05
Step by Step Solution
- Step 1: Write the proportion equation
887,324.70 : 1,330,987.05 = 414,932.70 : x - Step 2: Convert to fraction form
887,324.70/1,330,987.05 = 414,932.70/x - Step 3: Cross multiply
887,324.70x = 1,330,987.05 × 414,932.70 - Step 4: Simplify right side
887,324.70x = 552,270,050,321.54 - Step 5: Solve for x
x = 552,270,050,321.54/887,324.70 - Step 6: Final answer
x = 622,399.05
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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.