Finding the Fourth Proportional to 703,986.16, 971,508.12 and 381,696.88
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Solution
The fourth proportional to 703,986.16, 971,508.12 and 381,696.88 is: 526,745.61
Step by Step Solution
- Step 1: Write the proportion equation
703,986.16 : 971,508.12 = 381,696.88 : x - Step 2: Convert to fraction form
703,986.16/971,508.12 = 381,696.88/x - Step 3: Cross multiply
703,986.16x = 971,508.12 × 381,696.88 - Step 4: Simplify right side
703,986.16x = 370,821,618,298.67 - Step 5: Solve for x
x = 370,821,618,298.67/703,986.16 - Step 6: Final answer
x = 526,745.61
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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.