Finding the Fourth Proportional to 763,706.21, 1,053,797.54 and 441,354.11
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Solution
The fourth proportional to 763,706.21, 1,053,797.54 and 441,354.11 is: 609,001.03
Step by Step Solution
- Step 1: Write the proportion equation
763,706.21 : 1,053,797.54 = 441,354.11 : x - Step 2: Convert to fraction form
763,706.21/1,053,797.54 = 441,354.11/x - Step 3: Cross multiply
763,706.21x = 1,053,797.54 × 441,354.11 - Step 4: Simplify right side
763,706.21x = 465,097,867,911.13 - Step 5: Solve for x
x = 465,097,867,911.13/763,706.21 - Step 6: Final answer
x = 609,001.03
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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.