Finding the Fourth Proportional to 671,347.17, 1,007,440.47 and 271,989.99
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Solution
The fourth proportional to 671,347.17, 1,007,440.47 and 271,989.99 is: 408,155.03
Step by Step Solution
- Step 1: Write the proportion equation
671,347.17 : 1,007,440.47 = 271,989.99 : x - Step 2: Convert to fraction form
671,347.17/1,007,440.47 = 271,989.99/x - Step 3: Cross multiply
671,347.17x = 1,007,440.47 × 271,989.99 - Step 4: Simplify right side
671,347.17x = 274,013,723,360.90 - Step 5: Solve for x
x = 274,013,723,360.90/671,347.17 - Step 6: Final answer
x = 408,155.03
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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.