Finding the Fourth Proportional to 607,813.20, 838,832.73 and 335,934.18
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Solution
The fourth proportional to 607,813.20, 838,832.73 and 335,934.18 is: 463,617.09
Step by Step Solution
- Step 1: Write the proportion equation
607,813.20 : 838,832.73 = 335,934.18 : x - Step 2: Convert to fraction form
607,813.20/838,832.73 = 335,934.18/x - Step 3: Cross multiply
607,813.20x = 838,832.73 × 335,934.18 - Step 4: Simplify right side
607,813.20x = 281,792,585,309.71 - Step 5: Solve for x
x = 281,792,585,309.71/607,813.20 - Step 6: Final answer
x = 463,617.09
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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.