Finding the Fourth Proportional to 534,879.10, 738,036.39 and 343,848.70
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Solution
The fourth proportional to 534,879.10, 738,036.39 and 343,848.70 is: 474,449.00
Step by Step Solution
- Step 1: Write the proportion equation
534,879.10 : 738,036.39 = 343,848.70 : x - Step 2: Convert to fraction form
534,879.10/738,036.39 = 343,848.70/x - Step 3: Cross multiply
534,879.10x = 738,036.39 × 343,848.70 - Step 4: Simplify right side
534,879.10x = 253,772,853,254.19 - Step 5: Solve for x
x = 253,772,853,254.19/534,879.10 - Step 6: Final answer
x = 474,449.00
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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.