Finding the Fourth Proportional to 519,163.72, 716,770.26 and 398,072.26
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Solution
The fourth proportional to 519,163.72, 716,770.26 and 398,072.26 is: 549,588.40
Step by Step Solution
- Step 1: Write the proportion equation
519,163.72 : 716,770.26 = 398,072.26 : x - Step 2: Convert to fraction form
519,163.72/716,770.26 = 398,072.26/x - Step 3: Cross multiply
519,163.72x = 716,770.26 × 398,072.26 - Step 4: Simplify right side
519,163.72x = 285,326,357,298.99 - Step 5: Solve for x
x = 285,326,357,298.99/519,163.72 - Step 6: Final answer
x = 549,588.40
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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.