Finding the Fourth Proportional to 781,696.84, 1,078,650.84 and 437,551.94
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Solution
The fourth proportional to 781,696.84, 1,078,650.84 and 437,551.94 is: 603,770.85
Step by Step Solution
- Step 1: Write the proportion equation
781,696.84 : 1,078,650.84 = 437,551.94 : x - Step 2: Convert to fraction form
781,696.84/1,078,650.84 = 437,551.94/x - Step 3: Cross multiply
781,696.84x = 1,078,650.84 × 437,551.94 - Step 4: Simplify right side
781,696.84x = 471,965,767,624.63 - Step 5: Solve for x
x = 471,965,767,624.63/781,696.84 - Step 6: Final answer
x = 603,770.85
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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.