Finding the Fourth Proportional to 723,961.36, 1,085,759.84 and 297,616.07
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Solution
The fourth proportional to 723,961.36, 1,085,759.84 and 297,616.07 is: 446,349.21
Step by Step Solution
- Step 1: Write the proportion equation
723,961.36 : 1,085,759.84 = 297,616.07 : x - Step 2: Convert to fraction form
723,961.36/1,085,759.84 = 297,616.07/x - Step 3: Cross multiply
723,961.36x = 1,085,759.84 × 297,616.07 - Step 4: Simplify right side
723,961.36x = 323,139,580,003.07 - Step 5: Solve for x
x = 323,139,580,003.07/723,961.36 - Step 6: Final answer
x = 446,349.21
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.