Finding the Fourth Proportional to 624,391.18, 861,659.81 and 337,911.26
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Solution
The fourth proportional to 624,391.18, 861,659.81 and 337,911.26 is: 466,317.53
Step by Step Solution
- Step 1: Write the proportion equation
624,391.18 : 861,659.81 = 337,911.26 : x - Step 2: Convert to fraction form
624,391.18/861,659.81 = 337,911.26/x - Step 3: Cross multiply
624,391.18x = 861,659.81 × 337,911.26 - Step 4: Simplify right side
624,391.18x = 291,164,550,398.90 - Step 5: Solve for x
x = 291,164,550,398.90/624,391.18 - Step 6: Final answer
x = 466,317.53
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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.