Finding the Fourth Proportional to 569,749.13, 786,267.59 and 311,650.33
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Solution
The fourth proportional to 569,749.13, 786,267.59 and 311,650.33 is: 430,084.99
Step by Step Solution
- Step 1: Write the proportion equation
569,749.13 : 786,267.59 = 311,650.33 : x - Step 2: Convert to fraction form
569,749.13/786,267.59 = 311,650.33/x - Step 3: Cross multiply
569,749.13x = 786,267.59 × 311,650.33 - Step 4: Simplify right side
569,749.13x = 245,040,548,402.22 - Step 5: Solve for x
x = 245,040,548,402.22/569,749.13 - Step 6: Final answer
x = 430,084.99
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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.