Finding the Fourth Proportional to 520,825.08, 718,759.08 and 305,963.28
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Solution
The fourth proportional to 520,825.08, 718,759.08 and 305,963.28 is: 422,241.35
Step by Step Solution
- Step 1: Write the proportion equation
520,825.08 : 718,759.08 = 305,963.28 : x - Step 2: Convert to fraction form
520,825.08/718,759.08 = 305,963.28/x - Step 3: Cross multiply
520,825.08x = 718,759.08 × 305,963.28 - Step 4: Simplify right side
520,825.08x = 219,913,885,646.58 - Step 5: Solve for x
x = 219,913,885,646.58/520,825.08 - Step 6: Final answer
x = 422,241.35
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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.