Finding the Fourth Proportional to 905,564.90, 1,358,347.35 and 274,396.70
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Solution
The fourth proportional to 905,564.90, 1,358,347.35 and 274,396.70 is: 411,595.05
Step by Step Solution
- Step 1: Write the proportion equation
905,564.90 : 1,358,347.35 = 274,396.70 : x - Step 2: Convert to fraction form
905,564.90/1,358,347.35 = 274,396.70/x - Step 3: Cross multiply
905,564.90x = 1,358,347.35 × 274,396.70 - Step 4: Simplify right side
905,564.90x = 372,726,030,293.75 - Step 5: Solve for x
x = 372,726,030,293.75/905,564.90 - Step 6: Final answer
x = 411,595.05
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Similar ratio
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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.