Finding the Fourth Proportional to 753,982.21, 1,040,330.35 and 448,160.23
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Solution
The fourth proportional to 753,982.21, 1,040,330.35 and 448,160.23 is: 618,362.98
Step by Step Solution
- Step 1: Write the proportion equation
753,982.21 : 1,040,330.35 = 448,160.23 : x - Step 2: Convert to fraction form
753,982.21/1,040,330.35 = 448,160.23/x - Step 3: Cross multiply
753,982.21x = 1,040,330.35 × 448,160.23 - Step 4: Simplify right side
753,982.21x = 466,234,688,931.98 - Step 5: Solve for x
x = 466,234,688,931.98/753,982.21 - Step 6: Final answer
x = 618,362.98
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.