Finding the Fourth Proportional to 624,889.35, 862,343.01 and 338,402.88
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Solution
The fourth proportional to 624,889.35, 862,343.01 and 338,402.88 is: 466,993.65
Step by Step Solution
- Step 1: Write the proportion equation
624,889.35 : 862,343.01 = 338,402.88 : x - Step 2: Convert to fraction form
624,889.35/862,343.01 = 338,402.88/x - Step 3: Cross multiply
624,889.35x = 862,343.01 × 338,402.88 - Step 4: Simplify right side
624,889.35x = 291,819,358,131.87 - Step 5: Solve for x
x = 291,819,358,131.87/624,889.35 - Step 6: Final answer
x = 466,993.65
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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.