Finding the Fourth Proportional to 901,321.17, 1,352,686.27 and 396,231.09
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Solution
The fourth proportional to 901,321.17, 1,352,686.27 and 396,231.09 is: 594,656.35
Step by Step Solution
- Step 1: Write the proportion equation
901,321.17 : 1,352,686.27 = 396,231.09 : x - Step 2: Convert to fraction form
901,321.17/1,352,686.27 = 396,231.09/x - Step 3: Cross multiply
901,321.17x = 1,352,686.27 × 396,231.09 - Step 4: Simplify right side
901,321.17x = 535,976,355,190.13 - Step 5: Solve for x
x = 535,976,355,190.13/901,321.17 - Step 6: Final answer
x = 594,656.35
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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.