Finding the Fourth Proportional to 854,045.91, 1,281,201.71 and 285,250.95
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Solution
The fourth proportional to 854,045.91, 1,281,201.71 and 285,250.95 is: 427,920.79
Step by Step Solution
- Step 1: Write the proportion equation
854,045.91 : 1,281,201.71 = 285,250.95 : x - Step 2: Convert to fraction form
854,045.91/1,281,201.71 = 285,250.95/x - Step 3: Cross multiply
854,045.91x = 1,281,201.71 × 285,250.95 - Step 4: Simplify right side
854,045.91x = 365,464,003,492.87 - Step 5: Solve for x
x = 365,464,003,492.87/854,045.91 - Step 6: Final answer
x = 427,920.79
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1.5x scale
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.