Finding the Fourth Proportional to 858,519.08, 1,184,760.90 and 536,415.96
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Solution
The fourth proportional to 858,519.08, 1,184,760.90 and 536,415.96 is: 740,256.88
Step by Step Solution
- Step 1: Write the proportion equation
858,519.08 : 1,184,760.90 = 536,415.96 : x - Step 2: Convert to fraction form
858,519.08/1,184,760.90 = 536,415.96/x - Step 3: Cross multiply
858,519.08x = 1,184,760.90 × 536,415.96 - Step 4: Simplify right side
858,519.08x = 635,524,655,543.96 - Step 5: Solve for x
x = 635,524,655,543.96/858,519.08 - Step 6: Final answer
x = 740,256.88
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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.