Finding the Fourth Proportional to 506,964.88, 699,767.28 and 292,248.48
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Solution
The fourth proportional to 506,964.88, 699,767.28 and 292,248.48 is: 403,392.68
Step by Step Solution
- Step 1: Write the proportion equation
506,964.88 : 699,767.28 = 292,248.48 : x - Step 2: Convert to fraction form
506,964.88/699,767.28 = 292,248.48/x - Step 3: Cross multiply
506,964.88x = 699,767.28 × 292,248.48 - Step 4: Simplify right side
506,964.88x = 204,505,923,933.73 - Step 5: Solve for x
x = 204,505,923,933.73/506,964.88 - Step 6: Final answer
x = 403,392.68
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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.