Finding the Fourth Proportional to 995,852.21, 1,493,012.66 and 515,565.14
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Solution
The fourth proportional to 995,852.21, 1,493,012.66 and 515,565.14 is: 772,951.31
Step by Step Solution
- Step 1: Write the proportion equation
995,852.21 : 1,493,012.66 = 515,565.14 : x - Step 2: Convert to fraction form
995,852.21/1,493,012.66 = 515,565.14/x - Step 3: Cross multiply
995,852.21x = 1,493,012.66 × 515,565.14 - Step 4: Simplify right side
995,852.21x = 769,745,271,031.78 - Step 5: Solve for x
x = 769,745,271,031.78/995,852.21 - Step 6: Final answer
x = 772,951.31
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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.