Finding the Fourth Proportional to 677,709.88, 935,246.76 and 371,786.88
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Solution
The fourth proportional to 677,709.88, 935,246.76 and 371,786.88 is: 513,069.80
Step by Step Solution
- Step 1: Write the proportion equation
677,709.88 : 935,246.76 = 371,786.88 : x - Step 2: Convert to fraction form
677,709.88/935,246.76 = 371,786.88/x - Step 3: Cross multiply
677,709.88x = 935,246.76 × 371,786.88 - Step 4: Simplify right side
677,709.88x = 347,712,474,930.51 - Step 5: Solve for x
x = 347,712,474,930.51/677,709.88 - Step 6: Final answer
x = 513,069.80
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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.