Finding the Fourth Proportional to 659,441.44, 910,035.30 and 387,515.26
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Solution
The fourth proportional to 659,441.44, 910,035.30 and 387,515.26 is: 534,774.65
Step by Step Solution
- Step 1: Write the proportion equation
659,441.44 : 910,035.30 = 387,515.26 : x - Step 2: Convert to fraction form
659,441.44/910,035.30 = 387,515.26/x - Step 3: Cross multiply
659,441.44x = 910,035.30 × 387,515.26 - Step 4: Simplify right side
659,441.44x = 352,652,565,888.68 - Step 5: Solve for x
x = 352,652,565,888.68/659,441.44 - Step 6: Final answer
x = 534,774.65
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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.