Finding the Fourth Proportional to 554,305.44, 765,235.44 and 426,701.28
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Solution
The fourth proportional to 554,305.44, 765,235.44 and 426,701.28 is: 589,074.03
Step by Step Solution
- Step 1: Write the proportion equation
554,305.44 : 765,235.44 = 426,701.28 : x - Step 2: Convert to fraction form
554,305.44/765,235.44 = 426,701.28/x - Step 3: Cross multiply
554,305.44x = 765,235.44 × 426,701.28 - Step 4: Simplify right side
554,305.44x = 326,526,941,749.36 - Step 5: Solve for x
x = 326,526,941,749.36/554,305.44 - Step 6: Final answer
x = 589,074.03
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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.