Finding the Fourth Proportional to 753,542.84, 1,125,436.72 and 682,323.16
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Solution
The fourth proportional to 753,542.84, 1,125,436.72 and 682,323.16 is: 1,019,068.19
Step by Step Solution
- Step 1: Write the proportion equation
753,542.84 : 1,125,436.72 = 682,323.16 : x - Step 2: Convert to fraction form
753,542.84/1,125,436.72 = 682,323.16/x - Step 3: Cross multiply
753,542.84x = 1,125,436.72 × 682,323.16 - Step 4: Simplify right side
753,542.84x = 767,911,539,170.44 - Step 5: Solve for x
x = 767,911,539,170.44/753,542.84 - Step 6: Final answer
x = 1,019,068.19
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.