Finding the Fourth Proportional to 624,490.84, 861,796.68 and 338,010.48
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Solution
The fourth proportional to 624,490.84, 861,796.68 and 338,010.48 is: 466,454.09
Step by Step Solution
- Step 1: Write the proportion equation
624,490.84 : 861,796.68 = 338,010.48 : x - Step 2: Convert to fraction form
624,490.84/861,796.68 = 338,010.48/x - Step 3: Cross multiply
624,490.84x = 861,796.68 × 338,010.48 - Step 4: Simplify right side
624,490.84x = 291,296,309,469.21 - Step 5: Solve for x
x = 291,296,309,469.21/624,490.84 - Step 6: Final answer
x = 466,454.09
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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.