Finding the Fourth Proportional to 790,901.63, 1,186,554.74 and 229,936.13
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Solution
The fourth proportional to 790,901.63, 1,186,554.74 and 229,936.13 is: 344,963.00
Step by Step Solution
- Step 1: Write the proportion equation
790,901.63 : 1,186,554.74 = 229,936.13 : x - Step 2: Convert to fraction form
790,901.63/1,186,554.74 = 229,936.13/x - Step 3: Cross multiply
790,901.63x = 1,186,554.74 × 229,936.13 - Step 4: Simplify right side
790,901.63x = 272,831,797,866.30 - Step 5: Solve for x
x = 272,831,797,866.30/790,901.63 - Step 6: Final answer
x = 344,963.00
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1.5x scale
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.