Finding the Fourth Proportional to 677,381.13, 1,013,954.21 and 437,173.95
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Solution
The fourth proportional to 677,381.13, 1,013,954.21 and 437,173.95 is: 654,394.32
Step by Step Solution
- Step 1: Write the proportion equation
677,381.13 : 1,013,954.21 = 437,173.95 : x - Step 2: Convert to fraction form
677,381.13/1,013,954.21 = 437,173.95/x - Step 3: Cross multiply
677,381.13x = 1,013,954.21 × 437,173.95 - Step 4: Simplify right side
677,381.13x = 443,274,367,104.83 - Step 5: Solve for x
x = 443,274,367,104.83/677,381.13 - Step 6: Final answer
x = 654,394.32
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.