Finding the Fourth Proportional to 854,649.16, 1,179,778.99 and 532,518.41
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Solution
The fourth proportional to 854,649.16, 1,179,778.99 and 532,518.41 is: 735,101.68
Step by Step Solution
- Step 1: Write the proportion equation
854,649.16 : 1,179,778.99 = 532,518.41 : x - Step 2: Convert to fraction form
854,649.16/1,179,778.99 = 532,518.41/x - Step 3: Cross multiply
854,649.16x = 1,179,778.99 × 532,518.41 - Step 4: Simplify right side
854,649.16x = 628,254,031,906.21 - Step 5: Solve for x
x = 628,254,031,906.21/854,649.16 - Step 6: Final answer
x = 735,101.68
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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.