Finding the Fourth Proportional to 766,478.08, 1,149,941.79 and 226,748.55
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Solution
The fourth proportional to 766,478.08, 1,149,941.79 and 226,748.55 is: 340,189.29
Step by Step Solution
- Step 1: Write the proportion equation
766,478.08 : 1,149,941.79 = 226,748.55 : x - Step 2: Convert to fraction form
766,478.08/1,149,941.79 = 226,748.55/x - Step 3: Cross multiply
766,478.08x = 1,149,941.79 × 226,748.55 - Step 4: Simplify right side
766,478.08x = 260,747,633,466.90 - Step 5: Solve for x
x = 260,747,633,466.90/766,478.08 - Step 6: Final answer
x = 340,189.29
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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.