Finding the Fourth Proportional to 984,554.58, 1,358,685.18 and 554,850.09
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Solution
The fourth proportional to 984,554.58, 1,358,685.18 and 554,850.09 is: 765,693.05
Step by Step Solution
- Step 1: Write the proportion equation
984,554.58 : 1,358,685.18 = 554,850.09 : x - Step 2: Convert to fraction form
984,554.58/1,358,685.18 = 554,850.09/x - Step 3: Cross multiply
984,554.58x = 1,358,685.18 × 554,850.09 - Step 4: Simplify right side
984,554.58x = 753,866,594,404.67 - Step 5: Solve for x
x = 753,866,594,404.67/984,554.58 - Step 6: Final answer
x = 765,693.05
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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.