Finding the Fourth Proportional to 513,077.44, 708,034.62 and 286,766.68
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Solution
The fourth proportional to 513,077.44, 708,034.62 and 286,766.68 is: 395,731.17
Step by Step Solution
- Step 1: Write the proportion equation
513,077.44 : 708,034.62 = 286,766.68 : x - Step 2: Convert to fraction form
513,077.44/708,034.62 = 286,766.68/x - Step 3: Cross multiply
513,077.44x = 708,034.62 × 286,766.68 - Step 4: Simplify right side
513,077.44x = 203,040,737,302.46 - Step 5: Solve for x
x = 203,040,737,302.46/513,077.44 - Step 6: Final answer
x = 395,731.17
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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.