Finding the Fourth Proportional to 811,767.92, 1,120,358.00 and 467,536.86
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Solution
The fourth proportional to 811,767.92, 1,120,358.00 and 467,536.86 is: 645,268.99
Step by Step Solution
- Step 1: Write the proportion equation
811,767.92 : 1,120,358.00 = 467,536.86 : x - Step 2: Convert to fraction form
811,767.92/1,120,358.00 = 467,536.86/x - Step 3: Cross multiply
811,767.92x = 1,120,358.00 × 467,536.86 - Step 4: Simplify right side
811,767.92x = 523,808,659,058.20 - Step 5: Solve for x
x = 523,808,659,058.20/811,767.92 - Step 6: Final answer
x = 645,268.99
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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.