Finding the Fourth Proportional to 624,614.18, 861,967.38 and 338,134.06
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Solution
The fourth proportional to 624,614.18, 861,967.38 and 338,134.06 is: 466,624.90
Step by Step Solution
- Step 1: Write the proportion equation
624,614.18 : 861,967.38 = 338,134.06 : x - Step 2: Convert to fraction form
624,614.18/861,967.38 = 338,134.06/x - Step 3: Cross multiply
624,614.18x = 861,967.38 × 338,134.06 - Step 4: Simplify right side
624,614.18x = 291,460,529,786.96 - Step 5: Solve for x
x = 291,460,529,786.96/624,614.18 - Step 6: Final answer
x = 466,624.90
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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.