Finding the Fourth Proportional to 531,347.76, 796,135.68 and 381,363.30
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Solution
The fourth proportional to 531,347.76, 796,135.68 and 381,363.30 is: 571,409.07
Step by Step Solution
- Step 1: Write the proportion equation
531,347.76 : 796,135.68 = 381,363.30 : x - Step 2: Convert to fraction form
531,347.76/796,135.68 = 381,363.30/x - Step 3: Cross multiply
531,347.76x = 796,135.68 × 381,363.30 - Step 4: Simplify right side
531,347.76x = 303,616,930,172.54 - Step 5: Solve for x
x = 303,616,930,172.54/531,347.76 - Step 6: Final answer
x = 571,409.07
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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.