Finding the Fourth Proportional to 498,441.23, 687,840.08 and 283,576.68
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Solution
The fourth proportional to 498,441.23, 687,840.08 and 283,576.68 is: 391,330.81
Step by Step Solution
- Step 1: Write the proportion equation
498,441.23 : 687,840.08 = 283,576.68 : x - Step 2: Convert to fraction form
498,441.23/687,840.08 = 283,576.68/x - Step 3: Cross multiply
498,441.23x = 687,840.08 × 283,576.68 - Step 4: Simplify right side
498,441.23x = 195,055,406,257.33 - Step 5: Solve for x
x = 195,055,406,257.33/498,441.23 - Step 6: Final answer
x = 391,330.81
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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.