Finding the Fourth Proportional to 539,029.96, 743,858.30 and 297,311.99
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Solution
The fourth proportional to 539,029.96, 743,858.30 and 297,311.99 is: 410,288.86
Step by Step Solution
- Step 1: Write the proportion equation
539,029.96 : 743,858.30 = 297,311.99 : x - Step 2: Convert to fraction form
539,029.96/743,858.30 = 297,311.99/x - Step 3: Cross multiply
539,029.96x = 743,858.30 × 297,311.99 - Step 4: Simplify right side
539,029.96x = 221,157,988,475.01 - Step 5: Solve for x
x = 221,157,988,475.01/539,029.96 - Step 6: Final answer
x = 410,288.86
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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.