Finding the Fourth Proportional to 980,811.62, 1,353,536.04 and 539,304.75
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Solution
The fourth proportional to 980,811.62, 1,353,536.04 and 539,304.75 is: 744,249.36
Step by Step Solution
- Step 1: Write the proportion equation
980,811.62 : 1,353,536.04 = 539,304.75 : x - Step 2: Convert to fraction form
980,811.62/1,353,536.04 = 539,304.75/x - Step 3: Cross multiply
980,811.62x = 1,353,536.04 × 539,304.75 - Step 4: Simplify right side
980,811.62x = 729,968,415,668.19 - Step 5: Solve for x
x = 729,968,415,668.19/980,811.62 - Step 6: Final answer
x = 744,249.36
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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.