Finding the Fourth Proportional to 703,681.97, 971,065.44 and 397,717.65
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Solution
The fourth proportional to 703,681.97, 971,065.44 and 397,717.65 is: 548,841.50
Step by Step Solution
- Step 1: Write the proportion equation
703,681.97 : 971,065.44 = 397,717.65 : x - Step 2: Convert to fraction form
703,681.97/971,065.44 = 397,717.65/x - Step 3: Cross multiply
703,681.97x = 971,065.44 × 397,717.65 - Step 4: Simplify right side
703,681.97x = 386,209,864,793.02 - Step 5: Solve for x
x = 386,209,864,793.02/703,681.97 - Step 6: Final answer
x = 548,841.50
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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.