Finding the Fourth Proportional to 984,587.01, 1,358,696.49 and 543,079.09
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Solution
The fourth proportional to 984,587.01, 1,358,696.49 and 543,079.09 is: 749,430.61
Step by Step Solution
- Step 1: Write the proportion equation
984,587.01 : 1,358,696.49 = 543,079.09 : x - Step 2: Convert to fraction form
984,587.01/1,358,696.49 = 543,079.09/x - Step 3: Cross multiply
984,587.01x = 1,358,696.49 × 543,079.09 - Step 4: Simplify right side
984,587.01x = 737,879,645,394.55 - Step 5: Solve for x
x = 737,879,645,394.55/984,587.01 - Step 6: Final answer
x = 749,430.61
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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.