Finding the Fourth Proportional to 677,604.12, 935,076.84 and 387,197.26
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Solution
The fourth proportional to 677,604.12, 935,076.84 and 387,197.26 is: 534,322.59
Step by Step Solution
- Step 1: Write the proportion equation
677,604.12 : 935,076.84 = 387,197.26 : x - Step 2: Convert to fraction form
677,604.12/935,076.84 = 387,197.26/x - Step 3: Cross multiply
677,604.12x = 935,076.84 × 387,197.26 - Step 4: Simplify right side
677,604.12x = 362,059,193,985.57 - Step 5: Solve for x
x = 362,059,193,985.57/677,604.12 - Step 6: Final answer
x = 534,322.59
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1.5x scale
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.