Finding the Fourth Proportional to 763,184.84, 1,053,197.18 and 419,043.06
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Solution
The fourth proportional to 763,184.84, 1,053,197.18 and 419,043.06 is: 578,280.58
Step by Step Solution
- Step 1: Write the proportion equation
763,184.84 : 1,053,197.18 = 419,043.06 : x - Step 2: Convert to fraction form
763,184.84/1,053,197.18 = 419,043.06/x - Step 3: Cross multiply
763,184.84x = 1,053,197.18 × 419,043.06 - Step 4: Simplify right side
763,184.84x = 441,334,966,995.36 - Step 5: Solve for x
x = 441,334,966,995.36/763,184.84 - Step 6: Final answer
x = 578,280.58
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.