Finding the Fourth Proportional to 561,949.98, 842,486.76 and 381,559.74
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Solution
The fourth proportional to 561,949.98, 842,486.76 and 381,559.74 is: 572,042.07
Step by Step Solution
- Step 1: Write the proportion equation
561,949.98 : 842,486.76 = 381,559.74 : x - Step 2: Convert to fraction form
561,949.98/842,486.76 = 381,559.74/x - Step 3: Cross multiply
561,949.98x = 842,486.76 × 381,559.74 - Step 4: Simplify right side
561,949.98x = 321,459,029,099.04 - Step 5: Solve for x
x = 321,459,029,099.04/561,949.98 - Step 6: Final answer
x = 572,042.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.