Finding the Fourth Proportional to 624,256.96, 861,471.84 and 337,782.10
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Solution
The fourth proportional to 624,256.96, 861,471.84 and 337,782.10 is: 466,137.80
Step by Step Solution
- Step 1: Write the proportion equation
624,256.96 : 861,471.84 = 337,782.10 : x - Step 2: Convert to fraction form
624,256.96/861,471.84 = 337,782.10/x - Step 3: Cross multiply
624,256.96x = 861,471.84 × 337,782.10 - Step 4: Simplify right side
624,256.96x = 290,989,767,206.06 - Step 5: Solve for x
x = 290,989,767,206.06/624,256.96 - Step 6: Final answer
x = 466,137.80
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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.