Finding the Fourth Proportional to 624,949.35, 862,425.81 and 338,462.88
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Solution
The fourth proportional to 624,949.35, 862,425.81 and 338,462.88 is: 467,076.45
Step by Step Solution
- Step 1: Write the proportion equation
624,949.35 : 862,425.81 = 338,462.88 : x - Step 2: Convert to fraction form
624,949.35/862,425.81 = 338,462.88/x - Step 3: Cross multiply
624,949.35x = 862,425.81 × 338,462.88 - Step 4: Simplify right side
624,949.35x = 291,899,123,438.93 - Step 5: Solve for x
x = 291,899,123,438.93/624,949.35 - Step 6: Final answer
x = 467,076.45
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1.5x scale
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.