Finding the Fourth Proportional to 624,881.44, 862,331.88 and 338,394.88
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Solution
The fourth proportional to 624,881.44, 862,331.88 and 338,394.88 is: 466,982.49
Step by Step Solution
- Step 1: Write the proportion equation
624,881.44 : 862,331.88 = 338,394.88 : x - Step 2: Convert to fraction form
624,881.44/862,331.88 = 338,394.88/x - Step 3: Cross multiply
624,881.44x = 862,331.88 × 338,394.88 - Step 4: Simplify right side
624,881.44x = 291,808,693,052.77 - Step 5: Solve for x
x = 291,808,693,052.77/624,881.44 - Step 6: Final answer
x = 466,982.49
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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.