Finding the Fourth Proportional to 901,163.70, 1,243,587.33 and 493,255.62
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Solution
The fourth proportional to 901,163.70, 1,243,587.33 and 493,255.62 is: 680,682.59
Step by Step Solution
- Step 1: Write the proportion equation
901,163.70 : 1,243,587.33 = 493,255.62 : x - Step 2: Convert to fraction form
901,163.70/1,243,587.33 = 493,255.62/x - Step 3: Cross multiply
901,163.70x = 1,243,587.33 × 493,255.62 - Step 4: Simplify right side
901,163.70x = 613,406,439,483.30 - Step 5: Solve for x
x = 613,406,439,483.30/901,163.70 - Step 6: Final answer
x = 680,682.59
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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.