Finding the Fourth Proportional to 624,614.67, 861,971.03 and 338,134.75
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Solution
The fourth proportional to 624,614.67, 861,971.03 and 338,134.75 is: 466,627.47
Step by Step Solution
- Step 1: Write the proportion equation
624,614.67 : 861,971.03 = 338,134.75 : x - Step 2: Convert to fraction form
624,614.67/861,971.03 = 338,134.75/x - Step 3: Cross multiply
624,614.67x = 861,971.03 × 338,134.75 - Step 4: Simplify right side
624,614.67x = 291,462,360,659.09 - Step 5: Solve for x
x = 291,462,360,659.09/624,614.67 - Step 6: Final answer
x = 466,627.47
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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.