Finding the Fourth Proportional to 902,462.34, 1,245,432.34 and 515,340.84
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Solution
The fourth proportional to 902,462.34, 1,245,432.34 and 515,340.84 is: 711,189.95
Step by Step Solution
- Step 1: Write the proportion equation
902,462.34 : 1,245,432.34 = 515,340.84 : x - Step 2: Convert to fraction form
902,462.34/1,245,432.34 = 515,340.84/x - Step 3: Cross multiply
902,462.34x = 1,245,432.34 × 515,340.84 - Step 4: Simplify right side
902,462.34x = 641,822,148,258.77 - Step 5: Solve for x
x = 641,822,148,258.77/902,462.34 - Step 6: Final answer
x = 711,189.95
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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.