Finding the Fourth Proportional to 864,347.82, 1,192,865.94 and 477,237.87
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Solution
The fourth proportional to 864,347.82, 1,192,865.94 and 477,237.87 is: 658,624.67
Step by Step Solution
- Step 1: Write the proportion equation
864,347.82 : 1,192,865.94 = 477,237.87 : x - Step 2: Convert to fraction form
864,347.82/1,192,865.94 = 477,237.87/x - Step 3: Cross multiply
864,347.82x = 1,192,865.94 × 477,237.87 - Step 4: Simplify right side
864,347.82x = 569,280,800,401.15 - Step 5: Solve for x
x = 569,280,800,401.15/864,347.82 - Step 6: Final answer
x = 658,624.67
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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.