Finding the Fourth Proportional to 880,149.72, 1,320,430.54 and 272,906.09
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Solution
The fourth proportional to 880,149.72, 1,320,430.54 and 272,906.09 is: 409,423.00
Step by Step Solution
- Step 1: Write the proportion equation
880,149.72 : 1,320,430.54 = 272,906.09 : x - Step 2: Convert to fraction form
880,149.72/1,320,430.54 = 272,906.09/x - Step 3: Cross multiply
880,149.72x = 1,320,430.54 × 272,906.09 - Step 4: Simplify right side
880,149.72x = 360,353,535,787.99 - Step 5: Solve for x
x = 360,353,535,787.99/880,149.72 - Step 6: Final answer
x = 409,423.00
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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.