Finding the Fourth Proportional to 677,378.13, 1,013,949.71 and 437,170.95
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Solution
The fourth proportional to 677,378.13, 1,013,949.71 and 437,170.95 is: 654,389.82
Step by Step Solution
- Step 1: Write the proportion equation
677,378.13 : 1,013,949.71 = 437,170.95 : x - Step 2: Convert to fraction form
677,378.13/1,013,949.71 = 437,170.95/x - Step 3: Cross multiply
677,378.13x = 1,013,949.71 × 437,170.95 - Step 4: Simplify right side
677,378.13x = 443,269,352,903.18 - Step 5: Solve for x
x = 443,269,352,903.18/677,378.13 - Step 6: Final answer
x = 654,389.82
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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.