Finding the Fourth Proportional to 740,818.96, 1,110,465.68 and 291,357.66
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Solution
The fourth proportional to 740,818.96, 1,110,465.68 and 291,357.66 is: 436,736.50
Step by Step Solution
- Step 1: Write the proportion equation
740,818.96 : 1,110,465.68 = 291,357.66 : x - Step 2: Convert to fraction form
740,818.96/1,110,465.68 = 291,357.66/x - Step 3: Cross multiply
740,818.96x = 1,110,465.68 × 291,357.66 - Step 4: Simplify right side
740,818.96x = 323,542,682,035.11 - Step 5: Solve for x
x = 323,542,682,035.11/740,818.96 - Step 6: Final answer
x = 436,736.50
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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.