Finding the Fourth Proportional to 624,888.42, 862,344.68 and 338,407.62
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Solution
The fourth proportional to 624,888.42, 862,344.68 and 338,407.62 is: 467,001.79
Step by Step Solution
- Step 1: Write the proportion equation
624,888.42 : 862,344.68 = 338,407.62 : x - Step 2: Convert to fraction form
624,888.42/862,344.68 = 338,407.62/x - Step 3: Cross multiply
624,888.42x = 862,344.68 × 338,407.62 - Step 4: Simplify right side
624,888.42x = 291,824,010,778.46 - Step 5: Solve for x
x = 291,824,010,778.46/624,888.42 - Step 6: Final answer
x = 467,001.79
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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.