Finding the Fourth Proportional to 823,847.91, 1,235,298.25 and 439,122.87
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Solution
The fourth proportional to 823,847.91, 1,235,298.25 and 439,122.87 is: 658,431.86
Step by Step Solution
- Step 1: Write the proportion equation
823,847.91 : 1,235,298.25 = 439,122.87 : x - Step 2: Convert to fraction form
823,847.91/1,235,298.25 = 439,122.87/x - Step 3: Cross multiply
823,847.91x = 1,235,298.25 × 439,122.87 - Step 4: Simplify right side
823,847.91x = 542,447,710,924.82 - Step 5: Solve for x
x = 542,447,710,924.82/823,847.91 - Step 6: Final answer
x = 658,431.86
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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.