Finding the Fourth Proportional to 659,493.12, 910,198.28 and 417,798.12
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Solution
The fourth proportional to 659,493.12, 910,198.28 and 417,798.12 is: 576,623.35
Step by Step Solution
- Step 1: Write the proportion equation
659,493.12 : 910,198.28 = 417,798.12 : x - Step 2: Convert to fraction form
659,493.12/910,198.28 = 417,798.12/x - Step 3: Cross multiply
659,493.12x = 910,198.28 × 417,798.12 - Step 4: Simplify right side
659,493.12x = 380,279,130,211.23 - Step 5: Solve for x
x = 380,279,130,211.23/659,493.12 - Step 6: Final answer
x = 576,623.35
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1.5x scale
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.