Finding the Fourth Proportional to 501,004.84, 691,372.36 and 286,140.48
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Solution
The fourth proportional to 501,004.84, 691,372.36 and 286,140.48 is: 394,865.68
Step by Step Solution
- Step 1: Write the proportion equation
501,004.84 : 691,372.36 = 286,140.48 : x - Step 2: Convert to fraction form
501,004.84/691,372.36 = 286,140.48/x - Step 3: Cross multiply
501,004.84x = 691,372.36 × 286,140.48 - Step 4: Simplify right side
501,004.84x = 197,829,618,949.13 - Step 5: Solve for x
x = 197,829,618,949.13/501,004.84 - Step 6: Final answer
x = 394,865.68
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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.