Finding the Fourth Proportional to 617,866.74, 852,615.68 and 345,932.10
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Solution
The fourth proportional to 617,866.74, 852,615.68 and 345,932.10 is: 477,363.66
Step by Step Solution
- Step 1: Write the proportion equation
617,866.74 : 852,615.68 = 345,932.10 : x - Step 2: Convert to fraction form
617,866.74/852,615.68 = 345,932.10/x - Step 3: Cross multiply
617,866.74x = 852,615.68 × 345,932.10 - Step 4: Simplify right side
617,866.74x = 294,947,130,945.67 - Step 5: Solve for x
x = 294,947,130,945.67/617,866.74 - Step 6: Final answer
x = 477,363.66
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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.