Finding the Fourth Proportional to 677,677.64, 935,207.62 and 371,769.64
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Solution
The fourth proportional to 677,677.64, 935,207.62 and 371,769.64 is: 513,048.95
Step by Step Solution
- Step 1: Write the proportion equation
677,677.64 : 935,207.62 = 371,769.64 : x - Step 2: Convert to fraction form
677,677.64/935,207.62 = 371,769.64/x - Step 3: Cross multiply
677,677.64x = 935,207.62 × 371,769.64 - Step 4: Simplify right side
677,677.64x = 347,681,800,212.66 - Step 5: Solve for x
x = 347,681,800,212.66/677,677.64 - Step 6: Final answer
x = 513,048.95
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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.