Finding the Fourth Proportional to 699,119.84, 964,917.90 and 437,596.47
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Solution
The fourth proportional to 699,119.84, 964,917.90 and 437,596.47 is: 603,966.07
Step by Step Solution
- Step 1: Write the proportion equation
699,119.84 : 964,917.90 = 437,596.47 : x - Step 2: Convert to fraction form
699,119.84/964,917.90 = 437,596.47/x - Step 3: Cross multiply
699,119.84x = 964,917.90 × 437,596.47 - Step 4: Simplify right side
699,119.84x = 422,244,666,879.81 - Step 5: Solve for x
x = 422,244,666,879.81/699,119.84 - Step 6: Final answer
x = 603,966.07
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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.