Finding the Fourth Proportional to 626,473.30, 864,408.09 and 381,293.84
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Solution
The fourth proportional to 626,473.30, 864,408.09 and 381,293.84 is: 526,109.39
Step by Step Solution
- Step 1: Write the proportion equation
626,473.30 : 864,408.09 = 381,293.84 : x - Step 2: Convert to fraction form
626,473.30/864,408.09 = 381,293.84/x - Step 3: Cross multiply
626,473.30x = 864,408.09 × 381,293.84 - Step 4: Simplify right side
626,473.30x = 329,593,479,963.17 - Step 5: Solve for x
x = 329,593,479,963.17/626,473.30 - Step 6: Final answer
x = 526,109.39
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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.