Finding the Fourth Proportional to 504,638.24, 696,368.96 and 289,626.96
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Solution
The fourth proportional to 504,638.24, 696,368.96 and 289,626.96 is: 399,666.95
Step by Step Solution
- Step 1: Write the proportion equation
504,638.24 : 696,368.96 = 289,626.96 : x - Step 2: Convert to fraction form
504,638.24/696,368.96 = 289,626.96/x - Step 3: Cross multiply
504,638.24x = 696,368.96 × 289,626.96 - Step 4: Simplify right side
504,638.24x = 201,687,224,923.16 - Step 5: Solve for x
x = 201,687,224,923.16/504,638.24 - Step 6: Final answer
x = 399,666.95
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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.