Finding the Fourth Proportional to 720,130.95, 1,080,357.30 and 270,855.68
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Solution
The fourth proportional to 720,130.95, 1,080,357.30 and 270,855.68 is: 406,344.02
Step by Step Solution
- Step 1: Write the proportion equation
720,130.95 : 1,080,357.30 = 270,855.68 : x - Step 2: Convert to fraction form
720,130.95/1,080,357.30 = 270,855.68/x - Step 3: Cross multiply
720,130.95x = 1,080,357.30 × 270,855.68 - Step 4: Simplify right side
720,130.95x = 292,620,905,732.68 - Step 5: Solve for x
x = 292,620,905,732.68/720,130.95 - Step 6: Final answer
x = 406,344.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.