Finding the Fourth Proportional to 554,577.36, 765,317.26 and 299,928.55
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Solution
The fourth proportional to 554,577.36, 765,317.26 and 299,928.55 is: 413,901.67
Step by Step Solution
- Step 1: Write the proportion equation
554,577.36 : 765,317.26 = 299,928.55 : x - Step 2: Convert to fraction form
554,577.36/765,317.26 = 299,928.55/x - Step 3: Cross multiply
554,577.36x = 765,317.26 × 299,928.55 - Step 4: Simplify right side
554,577.36x = 229,540,492,255.19 - Step 5: Solve for x
x = 229,540,492,255.19/554,577.36 - Step 6: Final answer
x = 413,901.67
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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.