Finding the Fourth Proportional to 624,965.60, 862,449.80 and 349,323.09
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Solution
The fourth proportional to 624,965.60, 862,449.80 and 349,323.09 is: 482,064.34
Step by Step Solution
- Step 1: Write the proportion equation
624,965.60 : 862,449.80 = 349,323.09 : x - Step 2: Convert to fraction form
624,965.60/862,449.80 = 349,323.09/x - Step 3: Cross multiply
624,965.60x = 862,449.80 × 349,323.09 - Step 4: Simplify right side
624,965.60x = 301,273,629,105.88 - Step 5: Solve for x
x = 301,273,629,105.88/624,965.60 - Step 6: Final answer
x = 482,064.34
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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.