Finding the Fourth Proportional to 677,682.24, 935,177.76 and 375,904.32
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Solution
The fourth proportional to 677,682.24, 935,177.76 and 375,904.32 is: 518,734.80
Step by Step Solution
- Step 1: Write the proportion equation
677,682.24 : 935,177.76 = 375,904.32 : x - Step 2: Convert to fraction form
677,682.24/935,177.76 = 375,904.32/x - Step 3: Cross multiply
677,682.24x = 935,177.76 × 375,904.32 - Step 4: Simplify right side
677,682.24x = 351,537,359,951.92 - Step 5: Solve for x
x = 351,537,359,951.92/677,682.24 - Step 6: Final answer
x = 518,734.80
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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.