Finding the Fourth Proportional to 624,955.36, 862,434.08 and 338,468.88
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Solution
The fourth proportional to 624,955.36, 862,434.08 and 338,468.88 is: 467,084.72
Step by Step Solution
- Step 1: Write the proportion equation
624,955.36 : 862,434.08 = 338,468.88 : x - Step 2: Convert to fraction form
624,955.36/862,434.08 = 338,468.88/x - Step 3: Cross multiply
624,955.36x = 862,434.08 × 338,468.88 - Step 4: Simplify right side
624,955.36x = 291,907,097,131.43 - Step 5: Solve for x
x = 291,907,097,131.43/624,955.36 - Step 6: Final answer
x = 467,084.72
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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.