Finding the Fourth Proportional to 804,840.84, 1,206,510.84 and 271,989.24
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Solution
The fourth proportional to 804,840.84, 1,206,510.84 and 271,989.24 is: 407,730.26
Step by Step Solution
- Step 1: Write the proportion equation
804,840.84 : 1,206,510.84 = 271,989.24 : x - Step 2: Convert to fraction form
804,840.84/1,206,510.84 = 271,989.24/x - Step 3: Cross multiply
804,840.84x = 1,206,510.84 × 271,989.24 - Step 4: Simplify right side
804,840.84x = 328,157,966,423.36 - Step 5: Solve for x
x = 328,157,966,423.36/804,840.84 - Step 6: Final answer
x = 407,730.26
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.