Finding the Fourth Proportional to 639,489.24, 882,447.30 and 367,557.84
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Solution
The fourth proportional to 639,489.24, 882,447.30 and 367,557.84 is: 507,202.32
Step by Step Solution
- Step 1: Write the proportion equation
639,489.24 : 882,447.30 = 367,557.84 : x - Step 2: Convert to fraction form
639,489.24/882,447.30 = 367,557.84/x - Step 3: Cross multiply
639,489.24x = 882,447.30 × 367,557.84 - Step 4: Simplify right side
639,489.24x = 324,350,423,501.83 - Step 5: Solve for x
x = 324,350,423,501.83/639,489.24 - Step 6: Final answer
x = 507,202.32
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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.