Finding the Fourth Proportional to 851,682.36, 1,175,307.66 and 469,744.68
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Solution
The fourth proportional to 851,682.36, 1,175,307.66 and 469,744.68 is: 648,239.94
Step by Step Solution
- Step 1: Write the proportion equation
851,682.36 : 1,175,307.66 = 469,744.68 : x - Step 2: Convert to fraction form
851,682.36/1,175,307.66 = 469,744.68/x - Step 3: Cross multiply
851,682.36x = 1,175,307.66 × 469,744.68 - Step 4: Simplify right side
851,682.36x = 552,094,520,648.25 - Step 5: Solve for x
x = 552,094,520,648.25/851,682.36 - Step 6: Final answer
x = 648,239.94
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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.