Finding the Fourth Proportional to 864,743.42, 1,291,437.88 and 737,022.62
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Solution
The fourth proportional to 864,743.42, 1,291,437.88 and 737,022.62 is: 1,100,695.20
Step by Step Solution
- Step 1: Write the proportion equation
864,743.42 : 1,291,437.88 = 737,022.62 : x - Step 2: Convert to fraction form
864,743.42/1,291,437.88 = 737,022.62/x - Step 3: Cross multiply
864,743.42x = 1,291,437.88 × 737,022.62 - Step 4: Simplify right side
864,743.42x = 951,818,929,884.85 - Step 5: Solve for x
x = 951,818,929,884.85/864,743.42 - Step 6: Final answer
x = 1,100,695.20
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.