Finding the Fourth Proportional to 704,885.82, 972,716.36 and 382,589.07
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Solution
The fourth proportional to 704,885.82, 972,716.36 and 382,589.07 is: 527,958.76
Step by Step Solution
- Step 1: Write the proportion equation
704,885.82 : 972,716.36 = 382,589.07 : x - Step 2: Convert to fraction form
704,885.82/972,716.36 = 382,589.07/x - Step 3: Cross multiply
704,885.82x = 972,716.36 × 382,589.07 - Step 4: Simplify right side
704,885.82x = 372,150,645,633.24 - Step 5: Solve for x
x = 372,150,645,633.24/704,885.82 - Step 6: Final answer
x = 527,958.76
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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.