Finding the Fourth Proportional to 612,473.40, 845,305.26 and 440,959.08
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Solution
The fourth proportional to 612,473.40, 845,305.26 and 440,959.08 is: 608,589.74
Step by Step Solution
- Step 1: Write the proportion equation
612,473.40 : 845,305.26 = 440,959.08 : x - Step 2: Convert to fraction form
612,473.40/845,305.26 = 440,959.08/x - Step 3: Cross multiply
612,473.40x = 845,305.26 × 440,959.08 - Step 4: Simplify right side
612,473.40x = 372,745,029,768.76 - Step 5: Solve for x
x = 372,745,029,768.76/612,473.40 - Step 6: Final answer
x = 608,589.74
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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.