Finding the Fourth Proportional to 626,537.10, 864,621.99 and 340,057.20
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Solution
The fourth proportional to 626,537.10, 864,621.99 and 340,057.20 is: 469,279.37
Step by Step Solution
- Step 1: Write the proportion equation
626,537.10 : 864,621.99 = 340,057.20 : x - Step 2: Convert to fraction form
626,537.10/864,621.99 = 340,057.20/x - Step 3: Cross multiply
626,537.10x = 864,621.99 × 340,057.20 - Step 4: Simplify right side
626,537.10x = 294,020,932,977.83 - Step 5: Solve for x
x = 294,020,932,977.83/626,537.10 - Step 6: Final answer
x = 469,279.37
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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.