Finding the Fourth Proportional to 891,536.96, 1,337,350.08 and 292,445.12
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Solution
The fourth proportional to 891,536.96, 1,337,350.08 and 292,445.12 is: 438,682.32
Step by Step Solution
- Step 1: Write the proportion equation
891,536.96 : 1,337,350.08 = 292,445.12 : x - Step 2: Convert to fraction form
891,536.96/1,337,350.08 = 292,445.12/x - Step 3: Cross multiply
891,536.96x = 1,337,350.08 × 292,445.12 - Step 4: Simplify right side
891,536.96x = 391,101,504,627.61 - Step 5: Solve for x
x = 391,101,504,627.61/891,536.96 - Step 6: Final answer
x = 438,682.32
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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.