Finding the Fourth Proportional to 550,475.76, 824,638.14 and 379,293.84
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Solution
The fourth proportional to 550,475.76, 824,638.14 and 379,293.84 is: 568,199.71
Step by Step Solution
- Step 1: Write the proportion equation
550,475.76 : 824,638.14 = 379,293.84 : x - Step 2: Convert to fraction form
550,475.76/824,638.14 = 379,293.84/x - Step 3: Cross multiply
550,475.76x = 824,638.14 × 379,293.84 - Step 4: Simplify right side
550,475.76x = 312,780,166,731.06 - Step 5: Solve for x
x = 312,780,166,731.06/550,475.76 - Step 6: Final answer
x = 568,199.71
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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.