Finding the Fourth Proportional to 624,811.24, 862,243.66 and 338,331.33
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Solution
The fourth proportional to 624,811.24, 862,243.66 and 338,331.33 is: 466,899.48
Step by Step Solution
- Step 1: Write the proportion equation
624,811.24 : 862,243.66 = 338,331.33 : x - Step 2: Convert to fraction form
624,811.24/862,243.66 = 338,331.33/x - Step 3: Cross multiply
624,811.24x = 862,243.66 × 338,331.33 - Step 4: Simplify right side
624,811.24x = 291,724,043,743.23 - Step 5: Solve for x
x = 291,724,043,743.23/624,811.24 - Step 6: Final answer
x = 466,899.48
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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.