Finding the Fourth Proportional to 680,660.36, 939,275.64 and 374,676.98
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Solution
The fourth proportional to 680,660.36, 939,275.64 and 374,676.98 is: 517,034.60
Step by Step Solution
- Step 1: Write the proportion equation
680,660.36 : 939,275.64 = 374,676.98 : x - Step 2: Convert to fraction form
680,660.36/939,275.64 = 374,676.98/x - Step 3: Cross multiply
680,660.36x = 939,275.64 × 374,676.98 - Step 4: Simplify right side
680,660.36x = 351,924,960,182.77 - Step 5: Solve for x
x = 351,924,960,182.77/680,660.36 - Step 6: Final answer
x = 517,034.60
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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.