Finding the Fourth Proportional to 624,869.06, 862,317.57 and 338,389.07
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Solution
The fourth proportional to 624,869.06, 862,317.57 and 338,389.07 is: 466,975.98
Step by Step Solution
- Step 1: Write the proportion equation
624,869.06 : 862,317.57 = 338,389.07 : x - Step 2: Convert to fraction form
624,869.06/862,317.57 = 338,389.07/x - Step 3: Cross multiply
624,869.06x = 862,317.57 × 338,389.07 - Step 4: Simplify right side
624,869.06x = 291,798,836,245.37 - Step 5: Solve for x
x = 291,798,836,245.37/624,869.06 - Step 6: Final answer
x = 466,975.98
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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.